| Winner | Runner-up | |
| Inter-State T20 Championship | ||
| 27 teams divided in the five zones. The top two teams from each zone qualified for the second stage (in two groups). The winner of each group played in the final. | ||
| 2006/07 | Tamil Nadu | Punjab |
| 2007/08-2008/09 | No competition | |
| Syed Mushtaq Ali Trophy | ||
| The second stage was replaced with the knockout stage. | ||
| 2009/10 | Maharashtra | Hyderabad |
| 2010/11 | Bengal | Madhya Pradesh |
| 2011/12 | Baroda | Punjab |
| The knockout format was replaced with a Super League with the top two teams from the five zones divided into two groups and the winners of the two groups played the final. | ||
| 2012/13 | Gujarat | Punjab |
| 2013/14 | Baroda | Uttar Pradesh |
| 2014/15 | Gujarat | Punjab |
| The teams did not compete on the zonal basis and were drawn into four groups. The top two teams from each group were then divided into two groups in a Super League with winners of two groups playing the final. | ||
| 2015/16 | Uttar Pradesh | Baroda |
| Combined zonal teams played in the Super League instead of the zonal winners. The winner and runner-up were decided on the basis of points. | ||
| 2016/17 | East Zone | Central Zone |
| The old format of teams first competing on the zonal basis and then participating in two groups in a Super League was re-instated. | ||
| 2017/18 | Delhi | Rajasthan |
| The teams were divided into five groups instead of five zones. The top two teams from each group were then divided into two groups in a Super League with winners of two groups playing the final. | ||
| 2018/19 | Karnataka | Maharashtra |
| The Super League was followed by the semi-finals with four teams advancing from the Super League instead of two. The winners of two semi-finals played the final. | ||
| 2019/20 | Karnataka | Tamil Nadu |
| Teams were divided into six groups; the six group winners and two of the runners-up advanced to the quarter-finals. | ||
| 2020/21 | Tamil Nadu | Baroda |
| Teams were divided into six groups; five group winners advanced to the quarter-finals, while the Plate Group winner and the five other groups’ runners-up contested pre-quarter-finals. | ||
| 2021/22 | Tamil Nadu | Karnataka |
| Teams were divided into five groups; five group winners advanced to the quarter-finals, while the five runners-up plus one third-place contested pre-quarter-finals. | ||
| 2022/23 | Mumbai | Himachal Pradesh |
| Teams were divided into five groups; five group winners and the runner-up with most points advanced to the quarter-finals, while the other four runners-up contested pre-quarter-finals. | ||
| 2023/24 | Punjab | Baroda |
| 2024/25 | Mumbai | Madhya Pradesh |
Rajneesh Gupta
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