Central Bureau of Investigation (CBI) has summoned Anup Majhi aka Lala, the alleged mastermind of the illegal coal smuggling scam in West Bengal, for questioning at its Kolkata office today. Majhi has been asked to appear before CBI at 11 am at the agency's Nizam Palace Office in Kolkata.<br />'' <br />''<span style="color: #222222;">Earlier this month, the CBI had interrogated Trinamool Congress (TMC) MP Abhishek Banerjee's sister-in-law Maneka Gambhir. The agency had also interrogated Gambhir's husband and father-in-law in connection with the coal scam.</span><br />