For BTech course in government colleges IIT's and NIT's are the best. After this two premiere institution the state government colleges like Jadavpur University, IIEST plugs in.

Now if we see the top private colleges then there are:

BITS, VIT, SRM and such colleges which have higher course fees but the college imparts good quality education and placement.

To know more about the BTech colleges in India you may visit the link below:

https://engineering.careers360.com/colleges/list-of-be-btech-colleges-in-india

I hope my answer helps. All the very best for your future endeavors!

Dear Aspirant

According to me the best for b.tech are IIT ,NIT,GIFTS

In private-(BITs)Birla Institute of Technology and Science, Pilani

But

in tamil nadu which are  best for b.tech

• VIT Vellore - Vellore Institute of Technology
• Indian Institute of Technology Madras - IITM Chennai,
• National Institute of Technology - NIT Trichy
• Er. Perumal Manimekalai College of Engineering - EPMCE Dharmapuri
• Coimbatore Institute of Technology - CIT Coimbatore

If you want to know more about it check out the link given in below https://engineering.careers360.com/colleges/list-of-be-btech-colleges-in-tamil-nadu

I hope it will help you

Thank you