She performed extensively with her mother , Bharat Ratna Carnatic vocalist M.S.
Radha Viswanathan ( 11 December 1934 -- 2 January 2018 ) was an Indian vocalist and classical dancer .
Radha Viswanathan performed extensively with Radha Viswanathan 's mother , Bharat Ratna Carnatic vocalist M.S.
Radha Viswanathan ( 11 December 1934 -- 2 January 2018 ) was an Indian vocalist and classical dancer .