The PIN code system was introduced on 15 th August 1972 by Shriram Bhikaji Velankar. Currently India has six digit post code and soon it will be converted in eight digits.
1. The author of 'The Great Indian Novel' is A.P.J. Abdul Kalam. 2. The author of 'A Foreign Policy For India' is I.K Gujral. 3. 'Wings of Fire' is an Autobiography of A.P.J. Abdul Kalam.