tender for repairs and maintenance to verticle lift gate of size 9.580 x5.325mtr -02 nos by replacing old and damaged parts of track rollers by overhauling of track rollers , maintenance of guide rollers, pins, repairs to wire rope pully of hoist 30 t cap. by removing wire rope pully, replacement of bottom and side rubber seals , fabrication and erection of rotating arrangement for dogging beam of v.l. gate, cleaning of seal plate of sill beam, providing & fitting stoppers to skin plate of vl gate, etc. at nagzari barrage on manjara river, complete job including cost of material , labour, sundry , transportation & labour welfare cess etc.