The Sensex at the Bombay Stock Exchange gained 189 points —or 1.08 per cent—and closed at 17,601.The Nifty at the National Stock Exchange Index gained 54 points or 1.03 per cent, closed at 5337.Syed Naseem Zaidi slated to be new ECSyed Naseem Ahmed Zaidi will be the new Election Commissioner. He is a 1976-batch IAS officer of the Uttar Pradesh cadre. A official communique issued in New Delhi today says he has been appointed in the vacant post in three-member Election Commission, which was caused due to the demitting office by then Chief Election Commissioner SY Qureshi on June 10 of this year. Sixty-year-old Zaidi superannuated last month as the Civil Aviation Secretary. A native of Uttar Pradesh, Zaidi had earlier worked as Director-General of Civil Aviation and was India's representative in the International Civil Aviation Organisation.