Correct Option: C

All Cabinet members are mandated by the constitution to be members of either House of the Parliament of India. In a departure from the norm the current Prime Minister, Manmohan Singh, is a member of the upper house, the Rajya Sabha. There are three categories of ministers, in descending order of rank: Union Cabinet Minister – senior minister incharge of a ministry; Minister of State (Independent Charges) – with no overseeing Union cabinet minister for that portfolio; and Minister of State (MoS) – junior minister with to overseeing cabinet minister, usually tasked with a specific responsibility in that ministry.