The original proviso to clause(c) was substituted by another proviso which reads as follows: "Provided that nothing contained in clause (c) shall preclude a member of a police force from participating in a meeting (i) which is convened by an association of police officers of the the same rank of which he is a member and which has been granted recognition under clause (b) of sub section (1) of section 3 of the Act; (ii) which has been specifically provided for in the articles of association or/and has been, by general or special order, permitted by the Inspector General of Police having regard ' to the object of such meeting and other relevant factors; and (iv) which has been convened to consider the agenda circulated to all concerned according to the relevant provisions of the articles of association, after giving intimation in ad vance to the ' Inspector General of Police or an officer nominated by him." (Emphasis sup plied).