Dc of twin tunnel by shield tbm, cut and cover tb, underground ramp and four underground and balance work of nk station with entry/exits including retrieval/ls, af, ws..si and dw..of inderlok-indraprastha corridor of delhi mrts project of phase-iv.

Compressed air and cryogenic nitrogen plant package for pdh-pp plant with ethane and propane storage and handling facilities at dahej, gujarat of m/s petronet lng limited (pll)