Abhimanyu Easwaran (58) and Sayan Sekhar Mondal (56) gave Bengal a spectacular start with their 118-run partnership after being invited to bat on a greentop at the Jadavpur University (second campus) ground in Saltlake.
But the hosts went on to lose four wickets for 22 runs with left-arm seamer Shrikant Wagh (2/34) and Wakhare swinging into action. Skipper Manoj Tiwary (3) and Shreevats Goswami (1) went cheaply.
Making a comeback into the side after recovering from an injury, the 20-year-old Easwaran survived an early scare when on nine he was bowled by Swapnil Bandiwar in the sixth over of the day but to his luck the Vidarbha bowler had over-stepped.
Easwaran went on to notch his sixth first class half-century in the post-lunch session, while two overs later Mondal struck his maiden 50.
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Fresh from his seven-wicket match haul in their win over Maharashtra, Wakhare joined in the party castling Mondal in space of nine balls.
Wagh then took the big scalp of the Bengal skipper Manoj Tiwary (3) who perished after poking at an away going delivery to be dismissed caught behind.
Wakhare continued his marathon 18-over spell and took four wickets.
Asked about the greentop on offer, Wakhare said: "The pitch looks deceptive. If you bowl in the right areas, the ball is drifting. Scoring is difficult as it has some uneven bounce. We'll try to wrap Bengal under 250."
Brief Scores:
Bengal 217/7 in 82 overs (Abhimanyu Easwaran 58, Sayan Sekhar Mondal 56, Sudip Chatterjee 49 batting; Akshay Wakhare 4/40, Shrikant Wagh 2/34) vs Vidarbha.