The season 2009–10 of the Ranji Trophy began on 3 November, and will finish on 15 January with the final.

In the Super League, 15 teams were divided into two groups.

The top 3 teams of each group qualified for the playoffs, plus the top 2 teams from the Plate League (Haryana and Assam).

Four top teams of the plate group league qualified for the playoffs.

* FIL – First Inning's Lead [1]