KARACHI: Ghulam Hussain Soho has tendered his resignation as the Board of Secondary Education Karachi (BSEK) chairman, it emerged on Tuesday, following reports of irregularities and mismanagement in the board. He handed in his resignation late on Monday to the secretary of the Universities and Boards Department, Abbas Baloch, after learning that a committee report suggested his suspension as the BSEK head. A committee formed on the directives of Sindh Universities and Boards Minister Muhammad Is