B.S. Hari Shankar
Indian Archaeological Society
Indian Society for Prehistoric and Quaternary Studies
Indian History Congress
South Indian Numismatic Society
1. Mesolithic Rock Shelters and Megalithic Rock cut Caves in Kerala, Puratattava, 1995-96.
2. Saivaite Art in Kerala, Puratattava, 1996-97.
3. Recent Trends in South Indian Megalithic Studies, Puratattva, 1997-98.
