Hello,

NIT Trichy: chemical,metallurgy,production, instrumentation and control engineering

NIT Surathkal: chemical, civil, metallurgy, mining

NIT Rourkela: Bio tech,ceramic,chemical, metallurgy, mining, electronics and instrumentation, bio medical,industrial design,food process engineering

You can get all above branches. Give preference to Trichy, warangal then Surathkal and finally Rourkela.

Hope this helps!