According to the chapter, what is stated about "2004" in Kabaddi Rules And Skills?
Traditionally the game is played outdoors and the entire court is dug at least 1 foot deep.
The Kabaddi World Cup was first played in 2004, then in 2007 and 2010.
The Asian Kabaddi Federation (AKF) was founded in 1978.
The Amateur Kabaddi Federation of India (AKFI) was founded in 1973.