Common Docs:

1. Last 3 years audit report
2. Registration Certificate – Self attested
3. 3 Years bank statement
4. Trust PAN
5. All Trustee PAN, Aadhar, mobile No, mail id & pass. Size photo

80G Docs:

1. List of activities carried in 3 years with photos & explanations
2. All government registration certificate. E.g GST, PTRC, PTEC, etc.

12A Docs:

1. under taking of 1st provision to sec 2(15)
2. Declaration of Commencement
3. Undertaking Under section 12AB(4) of The Income Tax Act, 1961
4. NOC from owner (If the registered address is a residential one)
5. Affidavit that the institution is complying with  law