New Delhi, June 11 -- Amid rebellion in the Trinamool Congress, MP and advocate Kalyan Banerjee on Wednesday served an ultimatum to TMC supremo Mamata Banerjee while lashing out at General Secretary Abhishek Banerjee for changing his lawyer in the signature forgery case.

Kalyan Banerjee accused Abhishek of "disrespecting" everyone and asked the former West Bengal CM to choose between him and his nephew, Abhishek Banerjee.

Slamming Abhishek, a known TMC loyalist, he called him arrogant and said the party is facing the ongoing rift due to him.

Kalyan Banerjee said, "...I will not appear for Abhishek Banerjee in any case because I do not like his arrogant attitude. I have spent 45 years in this profession; all these people have worked wit...