West Bengal Minister and senior TMC leader Partha Chatterjee on Monday said that party supremo Mamata Banerjee will take oath as the state’s chief minister on May 5, Wednesday. Banerjee will be meeting West Bengal Governor Jagdeep Dhankhar at 7 pm and stake claim to form the government, Raj Bhavan sources said. “Tomorrow at 7 PM Hon’ble CM will be calling on me at Raj Bhavan,” Governor Dhankhar had tweeted Sunday night.