A Hindu Adi-Dravida person shall not retain his caste on conversion to Christianity-SC

Soosai Vs Union of India and others(30-09-1985)- It is apparent that for the purposes of the Constitution the constitutional provisions relating to Scheduled Castes are intended to be applied to only those members of the castes enumerated in the Constitution (Scheduled Castes) Order, 1950 who profess the Hindu or the Sikh religion.