80G Deductions for educational institutions sabstantially contributed by the Govt

Rajesh P (17 Points)

14 October 2021  
is institution eligible to claim exemption under 10 (23C) iiiab i.e., educational institutions sabstantially contributed by the Govt need to apply for 80G?

is Donators to the above institution can claim 80G deductions even without 80G approval for the institution?