Tender For replacement of damaged coarse sand and fine sand at bed no. 2 in 31.5 mld new rapid gravity filtration plant at mangalam filter house in tirupati municipal corporation, tirupati.
Tender For replacement of damaged coarse sand and fiine sand at bed no. 5 in 31.50 mld old rapid gravity filtration plant at mangalam filter house in tirupati municipal corporation, tirupati.