Bengal Police outside TMC general secretary Abhishek Banerjee's home in Kolkata to probe the MLA signature case (Express Photo by Partha Chatterjee) The Criminal Investigation Department (CID) of the West Bengal Police Saturday summoned Trinamool Congress MP and former West Bengal CM Mamata Banerjee’s nephew Abhishek Banerjee. A four-member team from the detective department first went to Abhishek Banerjee’s Harish Mukherjee Road residence, only to be informed that the Diamond Harbour MP was not there. Meanwhile, TMC MLA Kunal Ghosh told media persons that Abhishek Banerjee was at his residence in Rammohan Roy Road when CID officers went to the Harish Mukherjee Road address. Thereafter, Abhishek Banerjee returned to his Kalighat Road residence, which is some distance away from Harish Mukherjee Road, and claimed, “I reside in my Kalighat Road house.…