The Congress-DMK alliance in Tamil Nadu could hit another turbulence with the CBI planning to chargesheet DMK patriarch M Karunanidhi's daughter Kanimozhi and his second wife Dayalu Ammal, as the 2G scam money trail has led up to them. The CBI has concluded that Dynamix Realty, a firm of the scam-accused Vinod Goenka and Shahid Usman Balwa-promoted DB Realty Group, paid around Rs 200 crore to Kalaignar TV, owned by the DMK first family, between December 2008 and August 2009.