O And M Of 21 Mld Cetp Ph.-I In Sector-29 P-Ii U/E Panipat-Prov. And Fixing Of Di Header 500Mm I/D. Dia Of Length 2.08 Mtr. 3 Header Of Dia 50Mm I/D. Length 1.51 Mtr. Di Header Length 2.92 Mtr. Di Flanged Tee 500Mm X 500Mm X 300Mm I/D. And Etc. B5-O And M Of 21 Mld Cetp...