After bowling out Bengal in 35.3 overs, Mumbai made 164 for five taking a 65 run lead at stumps on the opening day.
While Thakur stood out with the ball, opener Kaustubh Pawar scored a solid 78 off 112 balls. Three quick wickets towards the end of the day gave Bengal something to cheer about.
Earlier, Thakur made the ball talk ending with figures of 6 for 31. His new ball partner Dhawal Kulkarni took three wickets, giving Thakur good support.
Brief scores: Bengal 99 all out 35.3 overs (Chatterjee 35; Thakur 6/31). Mumbai 164/5 in 42 overs (Pawar 78; Kuila 2/44).
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