Hello aspirant,

There are various Diploma in Engineering Colleges that you can pursue for your B.tech Courses after completing your Diploma. Some of the best Diploma Engineering colleges are mentioned below :

• MSU Baroda - Maharaja Sayajirao University of Baroda. ...
• IIT Madras - Indian Institute of Technology. ...
• LPU Jalandhar - Lovely Professional University. ...
• JMI New Delhi - Jamia Millia Islamia. ...
• VJTI Mumbai - Veermata Jijabai Technological Institute.

And many more,

Further, to know more about the list of top ranking diploma Engineering colleges in India, you can follow the below mentioned link to know more about it : https://engineering.careers360.com/colleges/list-of-diploma-engineering-colleges-in-india

I hope that this will help.