desilting and cleaning of master sewer line of various sizes in leg no.ii (part), gurugram. removing of blockage and desilting of master sewer line of various sizes by high power super mechanical device including cctv survey and repairing of manholes as per site requirement from rezang la chowk to sewage treatment plant dhanwapur, gurugram and all other works contingent thereto. (2nd re-call) .
