Etharkkum Thunindhavan, also known by the initialism ET, is a 2022 Indian Tamil-language action thriller film, written and directed by Pandiraj, and produced by Sun Pictures. The film stars Suriya, Vinay Rai and Priyanka Arul Mohan. D. Imman composed the film's music, R. Rathnavelu handled the cinematography and Ruben edited it. The film revolves around a lawyer who opposes a pornography racket that is run by a prominent minister's son.

Courtallam is a panchayat town situated at a mean elevation of 160 m (520 ft) in the foothills of the Western Ghats in Tenkasi district of Tamil Nadu, India. The Coutrallam Falls on the Chittar River is a major tourist attraction.