Refilling of existing expired fire extinguisher carbon dioxide type for b and c type fire ,pressurized water stored fire extinguisher for a type fire and providing and fitting of fire extinguisher dry powder type for a b c type fire installed a

(a)annual maintenance contract, shifting and installation of (04 nos.) r.o water purifier, capacity- 80 ltrs. for providing of pure drinking water at different locations under kathara colliery for the period of two (2) years. (b) electrical repairing