Hello aspirant

hope you are doing well and safe. With reference to your query,  I would glad inform you that their are many options in odisha who gives coaching for IISER and nest . Following are the some names of them:-

1. JESTMART

2. Jag educate

3. Mainstay abroad

4. Utkal insitute of technology and management

Hope you found this answer informative. Best wishes for your future