The top best institutes are as follows
1)IIT Madras
2)IIT Kanpur
3)IIT Bombay
4)BITS Pilani
5)IIT Delhi
6)NIT Trichy
All other IITs and few NITs.
A small note: It's all about your passion towards engineering, you can achieve anything from any college!

For b.tech
Nits
Iits
Later UGC accredited universits are top colleges now

According to economic times, There were five key parameters on which academic institutes were assessed, these include: Teaching, learning and resources; Research, consulting and collaborative performance; Graduation outcome; Outreach and inclusivity; and Perception.
They mentioned college rank as follows..(descending order)
IITM
IITB
IIT Kharagpur
IIT DELHI
IIT Kanpur
IIT Roorkee
IIT Hydrabad
IIT Gandhinagar
IIT ROPAR
IIT Madras.

Dear Jagruti,

You can check the top colleges of enginering below to get bachelor's degree as per the NIRF Ranking

Indian Institute of Technology Madras

Indian Institute of Technology Bombay

Indian Institute of Technology Kharagpur

Indian Institute of Technology Delhi

Indian Institute of Technology Kanpur

Indian Institute of Technology Roorkee

Indian Institute of Technology Guwahati

Anna University

Jadavpur University

Indian Institute of Technology Hyderabad

National Institute of Technology Tiruchirappalli

 

Good Luck!!