To help his research he mastered Tamil, Kannada, Tulu, and Paali languages and associated himself for some time with Sir Mortimer Wheeler in the excavation works at Harappa, Chandravally, and Brahmagiri.
Thakazhi Sivasankara Pillai | Elamkulam | Changampuzha Krishna Pillai | V. Surendran Pillai | Pillai | Pattom A. Thanu Pillai | Palani Subramaniam Pillai | N. R. Pillai | Subbayya Sivasankaranarayana Pillai | S. Ramachandran Pillai | Rajan Pillai | P. Govinda Pillai | Dakshinamurthy Pillai | C. V. Raman Pillai | C. Muthiah Pillai |