Hi aspirent

The last date for diploma course in jamia is 30 may .

First you have to dounldow the syllabus of that. For the syllabus you can go through the careerc360.com

After go through the syllabus you can lined that part of the syllabus which you already know and then rest part you can study properly. You can also take  help from career360.

Best of luck 

Thanks