Central Bureau of Investigation (CBI) team arrived at the residence of Trinamool Congress (TMC) leader Abhishek Banerjee in Kolkata on February 23.
CBI summoned Abhishek's wife Rujira on February 22.
Rujira is expected to answer CBI's queries today in alleged connection with the coal scam case.
West Bengal Chief Minister Mamata Banerjee earlier visited the residence of his nephew and TMC leader Abhishek Banerjee in Kolkata today.
