Who is Savitri and how did she die?

Who is Savitri and how did she die? 

Mahanati Savitri was born on December 6th, in the year 1936 in Chirravur village in Guntur District.Andhra Pradesh, India. Savitri who was known as Savitri Ganesh after she married Tamil romantic actor Gemini Ganesan also known as R. Ganesh and Gemini Ganesh. Savitri Ganesan was an Indian actress, playback singer, dancer, director and producer known for her works primarily in Telugu and Tamil cinema. Savitri has acted in 138 Telugu films; 100 Tamil films; 6 Kannada films; 5 Hindi films and 3 Malayalam films that make the total of 252 films spending 30 years in the cinema industry. Savitri died on 26 December 1981, at the age of 46, after being in a coma for 19 months. She had developed diabetes and high blood pressure.