1. Supplying, fitting fixing new fire extinguisher and refilling of old expired fire extinguisher at different market maintained by New Town Kolkata Development Authority.. Estimated Amount : To be quoted by the bidder 2. Refilling of ABC types Fire Extinguisher, Supply a Coffee Machine at the NKDA Administrative Building, New Town Kolkata under New Town Kolkata Development Authority. Estimated Amount : To be quoted by the bidder