Ratan Thylam, the famous personality from Manipur, is known for his work in the field of :

Answer: Option C

Ratan Thiyam (born 20 January 1948) is an Indian playwright and theatre director, and the winner of Sangeet Natak Akademi Award in 1987, one of leading figures of the "theatre of roots" movement in Indian theatre, which started in the 1970s.