Hello Debjyoti,
The total intake for M.Tech at NIT Surathkal is 60. However, it is not mentioned how many seats are there in marine structure. There is no information on the number of general category seats from these 60 seats.
Hope this helps!    

dear student,

NIT surathkal  offers Masters program in 27 various specialization, with each having 26 seats.

hope it helps!!!!