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!