Bharat Coking Coal Limited - Jharkhand

34942207 excavation by excavator, loading and transportation of 40000 mt wpc from and around of pond no 1, pond no 02, washery complex of sudamdih coal washery and loading into supplied rakes ( as per availability of rakes ) ...

Bharat Coking Coal Limited - Jharkhand

34713015 2.7 3.2 cum hydraulic excavator with suitable vibro ripper attachment supply, installation and commissioning of 1 no of 2.7 3.2 cum hydraulic excavator with suitable vibro ripper attachment along with spare parts and consumables...

Central Coalfields Limited - Jharkhand

34607193 tender for absolute controlled blasting of karo ocp, bnk area, ccl absolute controlled blasting in ob of os patch h of karo ocp including technical services (blasting engineer for design and supervision of blasting), supply of blasting mats, excavator for placement of mats, one tipper for shifting mats)...

Ministry Of Steel - Jharkhand

34605543 bids are invited for under carriage spares for pc450 hyd excavator carroer roller assy , bolt , washer , idler assy front total quantity : 37...

Bharat Coking Coal Limited - Jharkhand

34553294 excavation by excavator, loading and transportation of 40000 mt wpc from and around of pond no. 01, pond no. 02, washery complex of sudamdih washery and loading into the supplied rakes ( as per availability ) ....

Employees State Insurance Corporation - Jharkhand

34526238 bids are invited for dental consumable itemsmse u v chamber for sterilizations and storage of instrument 12 plate size , orikom e connect extreme or coltene conal pro or similar endo motor with hand piece chordless , endodontic apex locator similar to j morita triroot zx apex locater or integrated with endomoter , gc gold label type ii , cement s spatula plastic , ball burnisher , condenser round and rectangle , wedges plastic , spoon excavator , periosteal elevator no 09 6 pieces , unimatrix system septodont , glass slab 1 pieces , cements spatula metal 2 pieces , dental mouth mirror similar to hahne kraft 4 pieces , dental probe 10 pieces , suture needles 2 packs , silk suture 3 0 , silk suture 4 0 , dental mouth mirror 20 pieces , endodontic file box 2 , polishing kit for composit shofu , densply k file no 10 15 20 25 30 35 40 each size in 21mm and 25 mm , densply k file no 45 50 55 60 65 70 75 80 each size in 21mm and 25 mm , densply k file niti no 10 15 20 25 30 80 each size in 21mm and 25 mm , barbed broachassorted 21 mm , barbed broach assorted 25 mm ,lentulospirals assorted 10 40 size 21 mm , lentulospiralsassorted 10 40 size 25 mm , c pilot file hand 6 8 10 forcalcified canals , rotary files neo endo neoflex files orcoltene higflax cm files , rotary files neo enelo neoflex filrsassorted , glyde edta carbamoperoxide , edta liquid ,ca oh 2 root canal medicaments , calcium hydroxide roolcanal sealer , guttapercha 10 40 size assorted ,guttapercha 40 80 size assorted , neoendo gp20,25,30,35,40 4 persent and corresponding paper point ,neoendo gp 20,25,30,35,40 6 persent and correspondingpaper point , paper point assorted , irrigation needle sidevent , temporary canal filling non engenol based ,composite starter kit ivoclar t cerans and light cure cacoh2calcimol lc total quantity : 139...

Eastern Coal Fields Ltd - Jharkhand

34512287 providing excavator (3d), tractor and tanker for various purposes such as cleaning, leveling, supply of row water etc. at gopalpura township....

Central Coalfields Limited - Jharkhand

34492418 loading and transportation of coal loading of coal by contractors excavator into contractors tipping trucks at stock pile and transportation of coal by suitably covered contractors tipping trucks from qry bed stock, bko colliery to jrd. rly. sdg. pf i for period of 150 days....

Ministry Of Steel - Jharkhand

34479349 bids are invited for under carriage spares for pc450 hyd excavator track roller assy , bolt , washer , sprocket total quantity : 198...

Eastern Coal Fields Ltd - Jharkhand

34464252 providing excavator ( 3d ) , tractor and tanker for various purposes such as cleaning, leveling, supply of row water etc. at gopalpura township....

Central Coalfields Limited - Jharkhand

34443726 annual maintenance contract for erect, extn cum diversion of 6.6kvohl req for supplying power to excavators dhd 18211and 18212 for its opns and advancement of working faces at qno. 01, dismantling of 6.6kvohl from old working face / patch as and when req under pnd ocp...

Central Coalfields Limited - Jharkhand

34437698 tender for annual contract for erection, extension cum diversion of 6.6kv ohl required for supplying power to 6.6kv rated excavators dhd 18211 and 18212 for its operation and advancement of working faces at quarry no. 01 along with dismantling of 6.6kv ohl from old working face/patch as and when required under purnadih ocp, nk area....

Central Coalfields Limited - Jharkhand

34430750 tender for repairing of bucket eyes and pins alongwith adoption of tooth points in tata hitachi 650 excavator sl. no. 165 at tapin north ocp, hazaribagh area...

Ministry Of Coal - Jharkhand

34419861 bids are invited for spares for tata hitachi ex350 hyd excavator from oem engine oil filter,bypass part no 5050832 , engine oil filter part no 5050869 , fuel filter part no 4616864 , primary fuel filter part no 4078360 , hyd. filterpart no 4292789 , pilot filter part no 3015259 ,strainer part no 4210224 total quantity : 117...

Central Coalfields Limited - Jharkhand

34408627 transportation of 10 lakh te coal by contractor tipping truck after loading of coal by contractor excavator (backhoe) from bokaro colliery (quarry bed) to jarangdih railway siding feeder breaker (pf i/ii) under b and k area for a period of three year...

Central Coalfields Limited - Jharkhand

34371066 towards repair of both boom cylinders, their eyes, pins and mountings of zx 650h excavator sl. no. 194 at tapin north ocp, hazaribagh area t...

Central Coalfields Limited - Jharkhand

34267733 loading of coal by contractors excavator in to tipping trucks at coal face outsourcing patch b and r.h ( deptt. patch ) coal face near quarry no 6 and transportation to feeder breaker of dhori siding of aad ocm, dhori area...

Central Coalfields Limited - Jharkhand

34267423 re organisation of 3.3 kv overhead line ( feeder no. 02 ) from kali mandir to new working patch near karipani coal stock to feed power to electrically operated excavator to be deployed in respect of sdocm dhori area...

Ministry Of Steel - Jharkhand

34166030 bids are invited for carrier roller assy , bolt , washer , idler assy under carriage spares for pc450 hyd excavator front total quantity : 37...

Bharat Coking Coal Limited - Jharkhand

34088890 transportation of 75000 mt of coal from coal face of bansdeopur colliery to surface coal dump including excavator loading at face at sijua area, bccl. ...

Central Coalfields Limited - Jharkhand

34088803 erection cum extension of 6.6 kv ohl required for supplying power to 6.6kv rated excavators dhd 18211 and 18212 for its operation and advancement of working faces at quarry no. 01 under purnadih ocp, nk area. ...

Central Coalfields Limited - Jharkhand

34052373 repairing of both side undercarriage frame and housing of idler assembly of zx 650h excavator sl. no. 194 at tapin north ocp, hazaribagh area ...

Department Of Atomic Energy - Jharkhand

33975299 bids are invited for construction of community centre atturamdih township 1 earth work in excavation by mechanical means hydraulic excavator or manual means over areas exceeding 30cm in depth. 1.5m in width as well as 10 sqm on plan including disposal of excavated earth lead upto 50m and lift upto 1.5m disposed earth to be levelled and neatly dressed complete as per direction of eic. 2 excavating trenches of required width for pipes cables etc including excavation for sockets depth upto 1.5 m including getting out the excavated materials returning the soil as required in layers not exceeding 20 cm in depth including consolidating each deposited layers by ramming watering etc. stacking serviceable material for measurements and disposal of unserviceable material as directed within a lead of 50m as per direction of eic. pipes cables etc. not exceeding 80 mm dia. 3 filling available excavated earth excluding rock in trenches plinth sides of foundations etc. in layers not exceeding 20cm in depth consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. 4 supplying and filling in plinth with foundation plinth wall sand under floors including watering ramming consolidating and dressing complete as per direction of eic. 5 surface dressing of the ground including removing vegetation and inequalities not exceeding 15 cm deep and disposal of rubbish lead upto 50 m and lift upto 1.5 m all kind of soil. 6 diluting and injecting chemical emulsion for postconstructional antitermite treatment excluding the cost of chemical emulsion treatment of soil under existing floors using chemical emulsion the existing floor. 7 treatment of existing masonry using chemical emulsion at the rate one litre per hole at 300 mm interval including drilling holes at 45 degree and plugging them with cement mortar 1 isto 2 1 cement isto 2 coarse sand to the full depth of the hole with chlorpyriphos or lindane ec 20 per cent with 1 percent concentration 8 providing and laying damp proof course 40mm thick with cement concrete 1 isto 2 isto 4 1 cement isto 2 coarse sand isto 4 graded stone aggregate 12.5 mm nominal size. 9 extra for providing and mixing water proofing material in cement concrete work at the rate 1 kg per 50kg of cement. 10 providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering all work up to plinth level 1 isto 3 isto 6 1 cement isto 3 coarse sand isto 6 graded stone aggregate 20 mm nominal size including cost of cement reinforced cement as per direction of eic. 11 rcc in retaining walls roofs return walls walls any thickness including attached pilasters columns piers abutments pillars posts struts buttresses string or lacing courses parapets coping bed blocks anchor blocks plain window sills fillets upto floor five level excluding the cost of centering shuttering and finishing 1 isto 2 isto 4 1 cement isto 2 coarse sand isto 4 graded stone aggregate 20 mm nominal size. 12 centering and shuttering including strutting propping etc. and removal of form for lintels beams plinth beams girders bressumers and cantilevers as per direction of eic. 13 reinforcement for rcc work including straightening cutting bending placing in position and binding all complete cold twisted bars 14 brick work with fps bricks of class designation 75 in foundation and plinth in cement mortar 1 isto 6 1 cement isto 6 coarse sand including mixing of mortar laying of bricks raking joints curing etc complete including cost of cement specification and direction of eic. 15 brick work with fps bricks of class designation 75 in super structure in cement mortar 1 isto 6 1 cement isto 6 coarse sand including mixing of mortar laying of bricks raking joints curing etc complete including cost of cement specification and direction of eic. 16 half brick masonry with fps bricks of class designation 75 in superstructure above plinth level upto floor v level. cement mirtar 1 isto 4 1 cement isto 4 coarse sand complete as per the direction of eic. 17 providing and fixing isi marked flush door shutters conforming to is2202 part i decorative type core of block board construction with frame of 1st class hard wood and well matched teak 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters 30mm thick including isi marked stainless steel butt hinges with necessary screws complete as per the direction of eic. 18 providing and fixing oxidised ms sliding door bolts with nuts and screws etc. complete 300 into 16mm 19 providing and fixing oxidised ms tower bolts black finish barrel type with necessary screws etc. complete 20 providing and fixing oxidised ms handles with necessary screws etc. complete 125mm 21 providing and fixing factory made steel glazed doors windows and ventilators side or top or centre hung with beading and all members of standard rolled steel sections joints mitred and flash butt welded and sash bars tenoned and riveted with 15 into 3mm lugs 10cm long embedded in cement concrete blocks 15 into 10 into 10cm of 1isto 3 isto 6 1 cement isto 3 coarse sand isto 6 graded stone aggregate 20mm nominal size or with wooden plugs and screws or rawl plugs and screws or with fixing clips or with bolts and nuts as required including providing and fixing of hinges pivots float glass panes with glazing clips and special metal sash putty of approved make and a priming coat of approved steel primer excluding the cost of metal beading and other fittings except necessary hinges or pivots complete as per approved design complete as per the direction of eic. 22 providing and fixing tiron frames for doors windows and ventilators of mild steel tee ections joints mitred and welded with 15 into 3 mm lugs 10cm long embedded in cement concrete blocks 15 into 10 into 10 cm of 1 isto 3 isto 6 1 cement isto 3 coarse sand isto 6 graded stone aggregate 20 mm nominal size or with wooden plugs and screws or rawl plugs and screws or with dash fastener or with fixing clips or with bolts and nuts as require including fixing of necessary butt hinges and screws and applying a priming coat of approved steel primer complete as per the direction of eic. 23 providing and fixing ms fan clamp type i or ii of 16mm dia ms bar bent to shape with hooked ends in rcc slabs beams during laying including painting the exposed portion of loop all as per standard design complete complete as per the direction of eic. 24 cement concrete flooring 1 isto 2 isto 4 1 cement isto 2 coarse sand isto 4 graded stone aggregate finished with a floating coat of neat cement including cement slurry but excluding the cost of nosing of steps etc. complete complete as per the direction of eic. 40mm thick with 20 mm nominal size stone aggregate. 25 providing and laying ceramic glazed floor tiles 300 into 300 mm thickness to be specified by the manufacturer of 1st quality conforming to is 15622 of approved make in colours such as white ivory grey fume red brown laid on 20mm thick cement mortar 1 isto 4 1 cement isto 4 coarse sand including pointing the joints with white cement and matching prgment etc. complete as per the direction of eic. 26 providing and fixing 1st quality ceramic glazed wall tiles conforming to is 15622 of approved make in all colours shades except burgundy bottle green black of any size as approved by eic in skirting, risers of steps and dados over 6 mm thick bed of cement mortar 1 isto 3 1 cement isto 3 coarse sand and jointing with grey cement slurry at the rate 3.3 kg per sqm including pointing in white cement mixed with pigment of matching shade complete. 27 providing and fixing on wall face pvc rain water pipes or toilet pipe including ms holder bat clamps wooden pegs etc with accessories like ci grating plain bend head shoes etc including filling joints with spun yarn soaked in neat cement slurry and cement mortar 1 isto 2 1 cement isto 2 fine sand including a coat of primer cost of all materials labour tools and tackles etc complete complete as per the direction of eic. upvc pipes working pressure 4 kgpersqm single socketed pipe 110 mm dia 28 12mm cement plaster of mix 1 isto 4 1 cement isto 4 fine sand complete as per the direction of eic. 29 15mm cement plaster on the rough side of single or half brick wall of mix 1 isto 6 1 cement isto 6 fine sand complete as per the direction of eic. 30 6mm cement plaster 1 isto 3 1 cement isto 3 fine sand finished with a floating coat of neat cement and thick coat of lime wash on top of walls when dry for bearing of rcc slabs and beams complete as per the direction of eic. 31 supplying and applying two 2 coats of white wash over old work at various elevations including preparation of surfaces cleaning etc. complete with all materials labour tools and tackle etc scaffolding work as per specifications and directions of eic. composition water at the rate 5 litres per kg of lime for making cream. fevicol ddl at the rate 4 gm per litre of lime cream. robin blue at the rate 2gm. per kg lime. 32 distempering with oil bound washable distemper of approved brand and manufacture to give an even shade new work two or more coats over and including priming coat with cement primer. 33 finishing walls with premium acrylic smooth exterior paint with silicone additives of required shade approved brand and manufuacturer and ist quality 10 yrs like asian berger nerolac ici dulux old work one or more coats applied at the rate 0.83 ltr per10 sqm. 34 applying priming coat with ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel work second coat 35 painting with synthetic enamel paint of approved brand and manufacture to give an even shade two or more coats on new work. 36 providing groove of uniform size in plastered surface as per approved pattern using wooden battens bnailed to the under layer including of wooden battens repairs to the edges of the plaster panel and finishing the groove complete as per specifications and direction of eic including all materials labour tools and tackles etc complete. 12mm into 12mm 37 demolishing cement concrete manually or by mechanical means including disposal of material within 50 metres lead as per direction of eic. 1 isto 3 isto 6 or richer mix 38 demolishing brick work in cement mortar including tacking of serviceable material and disposal of unserviceable material within 50 metres lead including all materials labour tools and tackles etc complete 39 making plinth protection 50mm thick of cement concrete 1 isto 3 isto 6 1 cement isto 3 coarse sand isto 6 graded stone aggregate 20 mm nominal size over 75 mm bed by dry brick ballast 40mm nominal size well rammed and consolidated and grouted with fine sand including finishing the top smooth. 40 providing and fixing water closet squatting pan indian type wc pan with 100mm sand cast iron p or s trap 10 litre low level white pvc flushing cistern with manually controlled device handle lever conforming to is 7231 with all fittings and fixtures complete including cutting and making good the walls and floors wherever required white vitreous china orissa pattern wc pan of size 580 into 440mm with integral type foot rests. 41 providing and fixing trap of self cleaning design with screwed down or hinged grating with or without vent arm complete including cost of cutting and making good the walls and floors ci trap and bend 100 mm inlet and 75 mm outlet sand cast iron sands as per is1729 42 providing and fixing 600 into 450 mm beveled edge mirror of superior glass of approved quality complete with 6mm thick hard board ground fixed to wooden cleats with c p brass screws and washers complete 43 providing & fixing 600 into 120 into 5mm glass shelf with edges round of supported on anodised aluminium angle frame with c p brass brackets and guard rail complete fixed with 40mm long screws rawl plugs etc. complete 44 providing and fixing ptmt towel rail complete with brackets fixed to wooden cleats with cp brass screws with concealed fitting arrangement of approved quality and colour. 600 mm long towel rail with total legth of 645mm width 78mm and effective height of 88mm weighing not less than 190 gms. 45 providing and fixing 2mm thick plaster of paris 46 providing and fixing gi pipe complete with gi fittings and clamps i or c cutting and making good the walls etc. complete as per the direction of eic. 15mm dia nominal bore 47 providing and fixing gi pipe complete with gi fittings and clamps i or c cutting and making good the walls etc. complete as per the direction of eic. 20mm dia nominal bore 48 providing and fixing gi pipe complete with gi fittings and clamps i or c cutting and making good the walls etc. complete as per the direction of eic. 25mm dia nominal bore 49 providing and fixing gun metal gate valve with ci wheel of approved quality screwed end 25 mm nominal bore 50 providing and fixing cp brass shower rose with 15 or 20mm inlet 100 mm diameter make emco 51 providing and fixing c p brass bib cock of approved quality make emco 15mm nominal bore 52 constructing masonry chamber 60 into 60 into 75cm inside with 75 class designation brick work in cement mortar 1 isto 4 1 cement isto 4 coarse sand for sluice valve with ci surface box 100mm top diameter 160 mm bottom diameter and 180mm deep inside with chained lid and rcc top slab 1 isto 2 isto 4 1 cement isto 2 coarse sand isto 4 graded stone aggregate 20 mm nominal size necessary excavation foundation concrete 1 isto 5 isto 10 1 cement isto 5 fine sand isto 10 graded stone aggregate 40mm nominal size and inside plastering with cement mortar 1 isto 3 1 cement isto 3 coarse sand 12mm thick finished with a floating coat of neat cement complete as per standard design with fps bricks complete as per the direction of eic. 53 providing & fixing c p brass stop cock concealed of standard design and of approved make conforming to is 8931.15mm nominal bore. 54 making soak pit 2.5 m diameter 3.0 metre deep with 45 into 45cm dry brick honey comb shaft with bricks of class designation 75 and sw drain pipe 100mm diameter 1.8m long complete as per standard design with fps bricks 55 grading roof for water proofing treatment with cement concrete 1 isto 2 isto 4 1 cement isto 2 coarse sand isto 4 graded stone aggregate 20mm nominal size 56 providing and placing on terrace at all floor levels polyethylene water storage tank isi 12701 marked with cover and suitable locking arrangement and making necessary holes for inlet outlet and overflor pipes but without fittings and the base support for tank.make sintex 57 providing and fixing wash basin with ci brackets 15mm cp brass pillar taps 32mm cp brass waste of standard pattern including painting of fittings and brackets cutting and making good the walls wherever required white vitreous china wash basin size 630 into 450 mm with a pair of 15mm c. p brass pillar taps complete as per the direction of eic. 58 wiring for circuit or submain wiring along with earth wire with the following sizes of frls pvc insulated copper conductor single core cable in surface or recessed medium class pvc conduit as required 2 into 6 sqmm plus 1 into 6 sq mm earth wire 59 wiring for light point / fan point / exhaust fan point / call bell point with 1.5 sq.mm frls pvc insulated copper conductor single core cable in surface / recessed medium class pvc conduit, with modular switch, modular plate, suitable gi box and earthing the point with 1.5 sq.mm frls pvc insulated copper conductor single core cable etc.as required 60 wiring for light or power plug with 2 into 4 sqmm frls pvc insulated copper conductor single core cable in surface ot recessed medium class pvc conduit alongwith 1 no. 4 sqmm frls pvc insulated copper conductor single core cable for loop earthing as required 61 supplying and fixing following piano type switch / socket on the existing switch box / cover including connections etc. as required 62 3 pin 5or6 a socket outlet 63 6 pin 15or16 a socket outlet 64 supplying and fixing stepped type electronic fan regulator on the existing modular plate switch box including connections but excluding modular plate etc. as required 65 supplying and fixing following size or modules gi box alongwith modular base and cover plate for modular switches in recess etc. 1 or 2 module 75 mm into 75 mm 66 4 module 125 mm into 75 mm 67 8 module 125 mm into 125 mm 68 supplying and fixing 3 pin 5 a ceiling rose on the existing junction box or wooden block including connections etc. as required 69 erection of wall bracket or ceiling fittings of all sizes and shapes containing upto two gls lamps per fitting complete with all accessories including connections etc. as required 70 installation testing and commissioning of pre wired fluorescent fitting or compact fluorescent fitting of all types complete with all accessories and tube etc. directly on ceiling or wall including connections with 1.5 sqmm fr pvc insulated copper conductor single core cable and earthing etc. as required 71 providing and fixing following rating and breaking capacity mccb in existing cubicle panel board including drilling holes in cubicle panel making connections etc. as required 100 a 16 ka 72 supplying and fixing 5 a to 32 a rating 240or415 v 10 ka c curve miniature circuit breaker suitable for inductive load of following poles in the existing mcb db complete with connections testing and commissioning etc. as required single pole 6 amp 73 supplying and fixing following rating four pole three phase and neutral 415 v residual current circuit breaker rccb having a sensitivity current 30 ma in the existing mcb db complete with connections testing and commissioning etc. as required 63 amps 74 earthing with gi earth pipe 4.5 meter long 40 mm dia including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal or coke and salt as required 75 supplying and laying 25 mm into 5 mm g.i strip at 0.50 meter below ground as strip earth electrode including connection or terminating with gi nut bolt spring washer etc. as required. jointing shall be done by overlapping and with 2 sets of g.i nut bolt and spring washer spaced at 50 mm 76 fixing of lightning conductor finial single prong with base plate including holes etc. complete as required 77 providing and fixing g.i tape 20 mm into 3 mm thick on parapet or on surface of wall for lightning conductor complete as required.for horizontal run 78 providing and fixing g.i tape 20 mm into 3 mm thick on parapet or on surface of wall for lightning conductor complete as required. for vertical run 79 laying of one number pvc insulated and pvc sheathed or xlpe power cable of 1.1 kv grade of following size direct in ground including excavation sand cushioning protective covering and refilling the trench etc. as required upto 35or50 sq. 80 excavation for cable trench / foundation in soft soil including dressing of sides and ramming of ottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 meter 81 supply of 46inch 1200 mm sweep energy efficient 5 star high speed ceiling fan with electronic regulator size 150 watt make crompton complete in all respect as per specification and direction of eic. high breeze colour brown or ivopry 82 supply 1 into 40w led tube light make philips type bn 550 wled 20 to 300 led linea 83 supply and fixing of single phase energy meter kwh with box of model no. 1plcd meter 5 to 30a catno. wm1018csdl0bok make land t...

Eastern Coal Fields Ltd - Jharkhand

33939632 engagement of hydraulic excavator ( 3d ) and manpower for clearing of weigh bridge, coal depot and pusai river under nirsa colliery ...

Central Coalfields Limited - Jharkhand

33930419 repairing work involving adoption of old and serviceable undercarriage of ck300 excavator in tata hitachi zx650h excavator sl. no. 183of jharkhand ocp r ...

Eastern Coal Fields Ltd - Jharkhand

33927581 engagement of hydraulic excavator ( 3d ) and manpower for clearing of weigh bridge, coal depot and pusai river under nirsa colliery....

Eastern Coal Fields Ltd - Jharkhand

33911191 engagement of hydraulic excavator ( 3d ) and manpower for clearing of weigh bridge, coal depot and pusai river under nirsa colliery....