What year was S. Aishwarya's grandmother born in?
Radha Viswanathan Radha Viswanathan (born 1934) is an Indian vocalist and former classical dancer. She has performed extensively with her mother, Bharat Ratna Carnatic vocalist M. S. Subbulakshmi.
Satyavati Devi (born 1905) Satyavati Devi (28 February 1905 – 26 October 2010) was an Indian freedom fighter and Gandhian. At the time of her death on 26 October 2010, she was India's oldest living freedom fighter.