A.
directly elected by the people
B.
nominated by the President
C.
elected by the members of the state legislatures
D.
elected by an electoral college of both Houses of Parliament
Explanation
The Vice-President is elected by an electoral college consisting of members of both Houses of Parliament under Article 66. State legislatures are not part of this process unlike Presidential elections. The election uses proportional representation with single transferable vote. The Vice-President also acts as ex-officio Chairman of Rajya Sabha.