(1)Flash Butt Welding In Main Line Patches Between Csmt-Kyn Under South Section.(2) Flash Butt Welding In Main Line Patches Between Csmt-Kyn Section.(Twr-6.94Km) (3)Flash Butt Welding In Main Line Patches Between Csmt-Kyn Section.(Twr-11.3Km) (4)Flash Butt Welding In Main Line Patches Between Csmt-Kyn Section.(Twr-8.186Km) (5) Flash Butt Welding In Main Line Patches Between Csmt Panvel- (Twr-2.48 Km) And Thane-Vashi (Twr-2.41 Km). (6)-Flash Butt Welding In Main Line Patches For Csmt-Pnvl (Twr-