Hi Sanjana,
Here I would like to mention to you some of the most prestigious colleges in India offering structural engineering at the PG level.
1) NIT Trichy
2) Motilal Nehru National Institue Of Technology, Allahabad
3) Visvesvaraya National Institue of Technology, Nagpur
4) Maulana Azad National Institute of Technology, Bhopal
5) National Institute of Technology, Silchar
6) Dr B. R. Ambedkar National Institute of Technology, Jalandhar

The cutoffs for the same would be available on the website of DASA:- www.dasanit.org
Thank you.