Exemption under section 35(1)(ii): research institution approved by prescribed authority, exemption operative from notified date. The Sri Hurkisondas Nurrotumdas Hospital Medical Research Society, Bombay, has been approved by the Indian Council of Medical Research as the prescribed authority for the purposes of clause (ii) of sub-section (1) of section 35 of the Income-tax Act, and that approval is notified as taking effect from 1 April 1973.