Section 3(1)(ii) in The Merchant Shipping (Prevention of Pollution by Garbage From Ships) Rules, 2009
(ii)twelve nautical miles for food wastes and all other garbage including paper products, rags, glass, metal, bottles, crockery and similar refuse except that it may be permitted when it has passed through a comminuter or grinder and made, as far as practicable, from the nearest land but in no case such disposal shall be permissible if the distance from the nearest land is less than three nautical miles: