Explanation: A Buddhist text, Samannaphala Sutta, while making a reference to Ajatashatru of Magadha meeting Gautama Buddha, mentions that before his meeting, the former had a philosophical discourse with the leaders of the various sects such as Purana Kassapa, Makkhali Gosala, Ajita Kesakambalin, Pakudha Kachchayana, Sanjaya Belatthiputta and Nigantha Nataputta (Mahavira).

Source: NCERT