Question

what is single transferable vote system? How are the members of lok sabha and rajya sabha elected?

Answer 1

The single transferable vote is a voting system designed to achieve or closely approach proportional representation through the use of multiple-member constituencies and each voter casting a single ballot on which candidates are ranked. 

Answer 2

Answer:

Rajya Sabha MPs are elected by the electoral college of the elected members of the State Assembly with a system of proportional representation by a single transferable vote. ... Unlike membership to the Lok Sabha, membership to the Rajya Sabha is permanent for a term of six years and cannot be dissolved at any time.