Last year, the channel saw 361 million viewers for the entire 2016 tournament.
Sony Pictures Networks India is the official broadcaster of the IPL 2017.
"VIVO IPL 2017 continues to grow and has achieved a cumulative reach of 363.9 million in the fourth week of the tournament as compared to last year's reach of 314 million after 32 matches," SPN said in a statement.
So far the top performing markets are Maharashtra, AP/Telangana, Gujarat, Karnataka and West Bengal. Among metros, Mumbai and Delhi take the top spot.