Hi pavan sri your rank is so admirable. If you want to join in Nits. best nits are those which are located in south region.those are

NIT WARANGAL

NIT SURATHKAL

NIT PUDUCHERRY NIT CALICUT NIT  TIRUCHIRAPALLI  these are good colleges in nits iam not saying rest of the nits colleges are bad but these are good colleges with good facilities.

As we go for branch it is based on your choice and capability and totally based on your intrest. But you have asked so, iam suggesting that cse, ece these two are very good branches.But iam not saying that you have to take that two branches onlys. Take based on your intrest.

all the best