Goa, Feb. 22 -- In a follow-up to the designated MP/MLA court in Bidhan Nagar, West Bengal which issued summons to Union Home Minister Amit Shah to appear either personally or through a lawyer before it on February 22 in connection with a defamation case lodged against him by Abhishek Banerjee, the Central Bureau of Investigation (CBI) entered the home of Trinamool Congress (TMC) MP and nephew of Chief Minister Mamata Banerjee on Sunday morning in a coal smuggling case. Abhishek Banerjee's wife has been asked to join the probe in the alleged case of coal smuggling. This comes ahead of the upcoming West Bengal Assembly elections slated to be held in April-May which is likely to be a fierce one. The Centre, through its machinery, is knocking ...