Hello Rahul Kumar,

I am really sorry to inform but your query us very unclear. You want to pursue diploma online or are you just wanting to do registration.

If you are looking for options to do Diploma online then there are various platforms which are giving this opportunity like COURSERA, INDIAN INSTITUTE OF SKILL DEVELOPMENT TRAINING,  etc.

But if you are looking for offline options then the top colleges are:

• MSU BARODA
• JMI NEW DELHI
• TECHNO INDIA UNIVERSITY, KOLKATA
• INTEGRAL UNIVERSITY,LUCKNOW
• AMU ALIGARH

For further information please look into the following link:

https://engineering.careers360.com/colleges/list-of-diploma-in-computer-science-engineering-colleges-in-india

HOPE THIS HELPS

ALL THE BEST