sudhaker.kota,
You need to call CIC call center on 0016139444000 between 08:00 am to 9:00 am candian time.
Then press the options 1,1,1,1,1,1,3 and 1,speak politely. If operator is kind enough he/she will give uci number or else u need to try
again and again.I got uci after 6 attemts...