Hi, Vedant patel

(Kindly tell me your AIR for better help )

First of all  congrats for securing descent percentile (87) in jee 2019 so accordingly you will definitely get descent rank  here i will suggest you some other top government collleges since you are eligible for almost all NITS still i will give you some preferences:

Apply here first   NIT Wrangal, trichy,rourkela then any other Nits,IIIT allhabad, IIIT Manipur ,  IIIT Pune,   IIIT Nagpur,   IIIT Ranchi,   IIIT Surat ,IIIT BhopaL,   IIIT Bhagalpur  ,COEP pune ,DTU,NIST, BIT ranchi, BIT sindri,BIT patna.

Hope it will hepls you all the best :)