Wisden Cricketer of the Year in 1972, and considered one of the best leg spinners ever.
He contracted polio as a youngster, which left his right arm withered.
His 6 wickets for 38 runs against England in 1971 earned him Wisden's award for Best Bowling Performance of the Century.
He married Sandhya Chandrasekhar in 1969.
He has been named Cricketer of the Year like 1997's winner Sachin Tendulkar.