New Delhi/Kolkata, June 10 -- Trinamool Congress (TMC) chief Mamata Banerjee on Tuesday met Congress Parliamentary Party chairperson Sonia Gandhi in Delhi, hours before the West Bengal Criminal Investigation Department (CID) conducted searches at her party's central party office in Kolkata and at national general secretary Abhishek Banerjee's office. The two leaders held an hour-long discussion on coordination among INDIA bloc constitutents, people familiar with the matter said. Meanwhile, in West Bengal, two teams of CID held raids at t as part of its probe into the alleged forged signatures of TMC MLAs in favour of Sobhabdeb Chattopadhyay as the Leader of Opposition that triggered rebellion in the party.P7...