Hi

First of  engineering colleges are not divided on the basis of caste ,irrespective of the caste and religion you belong to you can get admission in any Engineering college though there is reservation of seats for ews, obc, sc, st etc categories

The list of top 20 engineering colleges  is provided below:-

*IIT Madras :- it is the best engineering college that you can get in India for your BTech as  it has been ranked 1 in nirf ranking 2020

*  IIT Delhi - Indian Institute of Technology (IITD) , it has been ranked 2nd in nirf ranking 2020 .

*IIT Bombay - Indian Institute of Technology (IITB) , it has been ranked 3rd in nirf ranking 2020 .

* IIT Kanpur - Indian Institute of Technology (IITK) , it has been ranked 4 th in nirf ranking 2020 .

* IIT Kharagpur - Indian Institute of Technology (IITKGP), it has been ranked 5th in nirf ranking 2020 .

*IIT Roorkee - Indian Institute of Technology, Roorkee  , it has been ranked 6 th in nirf ranking 2020 .

*IIT Guwahati - Indian Institute of Technology (IITG) ,it has been ranked 7th in nirf ranking2020 .

*IIT Hyderabad - Indian Institute of Technology (IITH) ,it has been ranked 8th  in nirf ranking 2020

* National Institute of Technology Tiruchirappalli, it has been ranked 9th in nirf ranking 2020

* Indian Institute of Technology Indore, it has been ranked 10th  in nirf ranking 2020

*IIT BHU Varanasi, Uttar Pradesh ,it has been ranked 11th in nirf ranking 2020

*IIT ISM Dhanbad  ,it has been ranked 12th in nirf ranking 2020

*NIT Karnataka, Surathkal ,it has been ranked 13th in nirf ranking 2020

*Anna University, Chennai ,it has been ranked 14th in nirf ranking 2020

* Vellore Institute of Technology, Vellore,it has been ranked 15th in nirf ranking 2020

* National Institute of Technology Rourkela , it has been ranked 16th  in nirf ranking 2020

*   Jadavpur University, Kolkata ,it has been ranked 17 th in nirf ranking 2020 .

* Institute of Chemical Technology, Mumbai  ,it has been ranked 18th in nirf ranking 2020 .

* National Institute of Technology Warangal ,it has been ranked 19th in nirf ranking 2020 .

* Amrita Vishwa Vidyapeetham, Coimbatore ,it has been ranked 20 th in nirf ranking 2020 .

You can get the complete list of all the top engineering college which you can go for for your BTech are listed below

https://engineering.careers360.com/colleges/ranking

Thankyou