(D) Man mohan Singh was first elected to the upper house of Parliament, the Rajya Sabha, in 1991 by the legislature of the state of Assam, and was reelected in 1995, 2001, 2007 and 2013. From 1998 to 2004, while the Bharatiya Janata Party was in power,Singh was the Leader of the Opposition in the Rajya Sabha.