Chapchar Kut festival is celebrated in which state?

Mizoram
The traditional festival Chapchar Kut of the Mizos is celebrated across the north-eastern state of Mizoram and also in the Mizo-inhabited areas in the neighbouring states. It is a spring festival celebrated during March after completion of their most arduous task of Jhum operation i.e., jungle-clearing (clearing of the remnants of burning) with great fervor and gaiety.