 Th., specializing in Religions, between 1965-1967, where he worked out a thesis entitled "A study of the idea and meaning of God with special reference to the 11th chapter of Bhagavad Gita in the context of Renascent Hinduism" under the guidance of P. David.As part of his two-year course, Melanchthon also become a research student at the Christian Institute for the Study of Religion and Society, Bangalore.The Institute was headed by M. M. Thomas, then Director and Herbert Jai Singh, then Assistant Director.