Hello.

Yes you can do Diploma even after Class 10.

The diploma courses you can join for are:

1. Diploma in Fashion Designing:
2. Diploma in Computer Application:
3. Diploma in Yoga:
4. Diploma in Banking:
5. Diploma in Financial Accounting:
6. Diploma in Industrial Safety:
7. Diploma in Business Management:
8. Diploma in Physical Education

Etc.

Hope this Helped!