Sub surface exploration works and geological investigations of katapathar barrage in district -dehradun, uttarakhand.

Preparation of land sched.,permiss. for explorat. in forest area, notification under section 4 of the cba act,1957,complet. of drilling/exploration,preparat. of geological report its approval and allied activities with resp.to mahuagarhi coal mine.

Ranging rod 2m height,surveying prismatic compass with tripod,vernier transit theodilite with tripod,circular single prism optical square in surveying,plum bob surveying,open reel measuring tape 100m,open reel measuring tape 50m,concrete rebound hammer,total station battery only,laser distance meter

Quad copter 450 to 500mm class frame kit,brushless motor,esc 40a, 4s,flight controller,propellers 10 by 4.5 inch set,power distribution board, high current,power module,shock absorber set,lipo battery, 4s, 5200mah,radio transmitter and receiver,10 channel,gps and compass module,telemetry kit,wiring, connectors set,lipo battery charger, 4s, balance or multi-port

Quad copter 650 to 700 mm class frame kit,brushless motor,esc 40a, 6s,flight controller, 32-bit arm cortex-m7 class or better,propellers 15 by 5.5 inch, carbon fibre set,power distribution board , high current, 6s with bec,power module,shock absorber set,lipo battery, 6s, 8000mah,radio transmitter and receiver, 10 channel,gps and compass module m9n or equivalent,telemetry kit,wiring, connectors set,lipo battery charger, 6s, balance or multi port