Correct Option :
The correct option is 1) I, III and IV.
Statement I is correct: Chakiarkoothu is a traditional performing art form of Kerala, exclusively performed by the male members of the Chakiar community, a sub-caste of Kerala Brahmins.
Statement III is correct: The Mizhavu, a large copper drum, is the primary accompanying percussion instrument for Chakiarkoothu. It is played by a Nambiar, another sub-caste.
Statement IV is correct: The performance space for Chakiarkoothu is known as a Koothambalam, a specially constructed theatre within temple premises.
Incorrect Options:
Statement II is incorrect: Chakiarkoothu performances are traditionally held within temple precincts and are open to all Hindu castes, including higher castes. The notion that higher caste Hindus cannot witness it is inaccurate.