Hi Venkat Krishna, congratulations for clearing the exam! The cut off for different universities is different for various categories. You can easily get into some good college with your rank, but you will have to compromise with the branch. Or you can get the branch of your choice, bit will have to compromise with the college.  The detailed list of all this information:

https://www.colleges9.in/pgecet-gate-seatallotment/MTECH-STRUCTURAL-ENGINEERING/

All the best!