Late President Pranab Mukherjee's son Abhijit Mukherjee, who is also a former Congress MP from West Bengal, will be joining the Trinamool Congress (TMC) today (July 5). The former Congress MP from Jangipur has been in talks with the TMC leadership for the past few weeks. Abhijit Mukherjee had also met Abhishek Banerjee in Kolkata last month.