It took place from September to November 2007, with 27 teams divided into five regional groups.
Railways won the tournament, beating Maharashtra in the final, claiming their second One Day League title.
[1] The 27 teams competing in the tournament were divided into five zonal groups: Central, East, North, South and West.
The top two sides from each group progressed to the knockout stages.
If points in the final table are equal, teams are separated by most wins, then head-to-head record, then number of Bonus Points, then Net Run Rate.