Hello Ranjit ,

For UG Admissions

• Candidate have KVPY Fellowship are eligible Additional Cut off criteria may applicable .
• Candidates in general Category secure a rank within 10,000 in Common Rank List of JEE Advanced eligible for apply .
• State and Central Boards This candidates apply through the SCB channel also have to appear IISER Aptitude test conducted by IISER .

Here i am providing Previous year SCB Channel Cut off for Different states go through it you get some idea  .

1. Andhra Pradesh - 94.8 .
2. Bihar - 70 .
3. Goa - 82.6 .
4. Uttarkhand  - 66 .
5. Uttar pradesh - 74.3 .
6. Assam  -71 .
7. Tamilnadu - 95 .

I think this answer will help you lot .

All the best !!!!