Case Study on the Construction of Main Tunnel and Parallel Safety Tunnel From Tupul to Imphal Railway Line under Northeast Frontier Railway, Manipur.

As India’s Northeast region comes under the 6th most earthquake- prone belt in world, soil of young Himalayan is weak due to heavy monsoon for a longer period and working season very less hilly region. The capital Manipur, Imphal fourth city mountainous North-Eastern be connected with railways after three other states. or earth bearing capacity North Eastern much as compared parts country. It had caused many problems that led deformations around primary supports faces Tunnel-12 especially. Thus, geoconsultants expert committees consisting various international consultants are also studying giving guidance on formed strata earth.