S. 80G : Donation-Provisional approval under clause (iv) to first proviso to section 80G(5)-Application for final approval under clause (iii) to first proviso to section 80G(5) could not be rejected on ground that institution had already commenced its activities even prior to grant of provisional registration. [S.80G(5), Taxation and Other Laws (Relaxation and Amendment of Certain Provisions) Act, 2020]