India, June 10 -- Trinamool Congress leader Sushmita Dev on Wednesday resigned as Rajya Sabha MP, and said she also quit the Mamata Banerjee-led party, giving another jolt to the former West Bengal chief minister who is trying to save the ranks of her outfit after last month's massive assembly election defeat at the hands of the Bharatiya Janata Party (BJP).

Dev became the second TMC MP from the upper house to quit the party after the resignation of veteran TMC leader Sukhendu Sekhar Ray, who resigned, alleging "unbridled corruption" and "anarchical rule" of the party.

On being asked why she quit TMC, Sushmita Dev said it was a "long story"

"I have left Trinamool Congress. What prompted me to leave the party is a long story, and I don'...