Correct Option: B

The Election Commission of India consists of a Chief Election Commissioner (CEC) and two Election Commissioners, appointed by the president of India. Two additional Commissioners were appointed to the commission for the first time on 16 October, 1989 but they had a very short tenure till 1 January, 1990.Later, on 1 October, 1993, two additional Election Commissioners were appointed. The concept of multimember Commission has been in operation since then.