The NKP Salve Challenger Trophy, commonly referred to as the Challenger Trophy, is an IndianList A cricket tournament organized by the Board of Control for Cricket in India (BCCI). Established in the 1994–1995 season, it is played with the purpose of showcasing the talent that the country has, as well as providing opportunities for younger players to make an impression. The tournament is played in October, before the start of Ranji Trophy season.
The annual tournament is played between three sides, consisting of 36 of the best players in India. The three teams were India Senior and India A & India B. Team names were changed for the 2006 version of this tournament. India Seniors became India Blue and India A and India B became India Red and India Green, respectively. India Senior have won 7 times including the 2005–06 edition.