Kavan
கவண் (original)
A TV journalist goes against the orders of his corrupt and dishonest boss and helps a group of youngsters in their fight against a pesticide factory.
Starring Vijay Sethupathi, T. Rajendar, Vikranth, Madonna Sebastian, Pandiarajan, Akashdeep Saigal, Bose Venkat, Jagan, R. N. R. Manohar, Krishnakumar Ramakumar
Watch "Kavan" on Amazon released in 2017. It's a drama and thriller movie, and has a rating of 7.1 out of 10 from Imdb which is usually fine for this kind of movie, and is currently only available for purchase or rent.