EAS Prasanna and Sunil Gavaskar at the MAK Pataudi Memorial Lecture © BCCI

Indian spin bowlers Erapalli Prasanna (left) and Padmakar Shivalkar in Calcutta © AFP

Erapalli Prasanna, Portrait © ESPNcricinfo Ltd

Erapalli Prasanna bowls © PA Photos

Erapalli Prasanna bowls © PA Photos

The 1971 Indian touring squad © Wisden

Erapalli Prasanna © The Cricketer International

Erapalli Prasanna bowls in the nets © PA Photos

The 1967 India squad touring England. (Standing, from left): V Subramanya, Bhagwath Chandrasekhar, Sadanand Mohol, Subrata Guha, S Venkataraghavan, Farokh Engineer, Ajit Wadekar, Ramesh Saxena, Hanumant Singh, Bishan Bedi and Erapalli Prasanna. (Front row) M Chinnaswamy (treasurer), Rusi Surti, Chandu Borde, Nawab of Pataudi (captain), Keki Tarapore (manager), Budhi Kunderan and Dilip Sardesai © Getty Images