Incase you have no particular interests in pursuing a particular stream like CSE, I believe NIT Warangal should undoubtedly be your first preference, being one of the Best NITs in India alongwith NIT Trichy. Even if you get Electrical or Mechanical at NIT Trichy, they too are excellent options. Of course incase youre dead interested in CSE, you may choose one of the many Good NITs, probably choose the one at your Vicinity. You shouldnt have any doubt regarding Placements across Top 10 NITs, they all are good and Comparable. However there are many Top Companies which only visit IITs and few NITs including Trichy, Surathkal and Warangal, being the Best.

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