Hi,

Hope you are doing well!

Since you have passed diploma of 3 years from JMI, you can take admission in 2nd year of B.Tech in JMI through JEE Main examination.

Eligibility criteria for diploma holders for b.tech:

The student should be a diploma holder in Engineering stream recognized by AICTE or a state board of technical education of 3 or 4 years duration with at least 55% marks.

You can also visit this link for more information:

https://www.careers360.com/university/jamia-millia-islamia-new-delhi

Hope it helps.

All the best for your future.