Department State/City Central Govt/PSU West Bengal Category Opening Date - Piping & Pipeline Maintanence + Sewer Pipeline 09 Oct 2009 Nature of Work Estimated Cost Supplying and laying pipe line from Central Kajora colliery to J.K. Ropeways. Rs 5,35,578/- Department State/City Central Govt/PSU West Bengal Category Opening Date - Electrical-Contracts & Job Works 13 Nov 2009 Nature of Work Estimated Cost Providing Internal Electrical Installation and Fans 8,54,842 Department State/City Central Govt/PSU West Bengal Category Opening Date - Airconditioning, Refrigeration & Chillers 24 Sep 2009 Nature of Work Estimated Cost Supplying of 2 ton split type AC unit 68,000 /-