(a) Early Buddhist texts speak of six foremost opponents of Lord Buddha who were:
1. Ajit Kesh Kamblin—Believed in Materialsm
2. Maskari Gosal—Founder of Ajivaka sect
3. Puran Kasyap—Atomist
4. Pakudh Katyayam—Believed in Fatalism
5. Sanjay Vethaliputta—Believed in materialism synicism
6. Niggantha Nathputta—He was Bhagvan Mahavir