Q.  Who said: "Let the pilgrims congregate at the beginning of the Gregorian calendar year. It should be Dhanu 16-17 in Malayalam calendar. Let the pilgrims observe 10 days self-purification according to Sri Buddha's principles of five purities - body, food, mind, word, and deed called asPancha Dharma.

1. Sree Narayana Guru
2. M.S.Raghavan
3. P.V.Raghavan
4. S.Sankunni