KARACHI, Oct 14: The Board of Secondary Education Karachi announced on Sunday the SSC supplementary examinations-2012 of science and general groups (regular and private) would begin on Oct 23 and admit cards would be ready for collection on Oct 19.All heads of secondary schools were asked to send their representatives with an authority letter to collect admit cards from the board office between 9.30am and 4pm on all working days except Friday when there would be a break from 1pm to 2.30pm.—PPI