First Urban Twin Tunnels (18 mtr dia each) in India at Mumbai.
Amba Tunnel RD 70540 TO 73370 of Main Canal of Indira Sagar Project Dia: 8.5Mts, Narmada Valley Development Authority.
Ahirkheda Tunnel (from km 79.84 to km 82.39) 2550 M length and 9.5 Mts Dia Narmada Valley Development Authority.
Konkan Railway Corporation - BG Single Line Tunnel, Adwali (Reach-9) Ratnagiri, Maharashtra Dia: 7.2 Mts, Length 760 M.
Thembu Lift Irrigation Project Devikhindi Tunnel, Dia 7.5 Mts, Maharashtra, Krishna Valley Development Corporation.