India, June 10 -- Trinamool Congress leader Sushmita Dev on Wednesday resigned as Rajya Sabha MP, second such jolt for the Mamata Banerjee-led party this week after the resignation of veteran TMC leader Sukhendu Sekhar Ray from the membership of the Upper House.

Ray resigned as Rajya Sabha MP alleging "unbridled corruption" and "anarchical rule" of the party.

Sushmita Dev is the former president of All India Mahila Congress and lost the 2019 Lok Sabha election to BJP candidate Rajdeep Roy, which led her to resign from the Congress party and her entry to the TMC in 2021.

Dev, who was also serving as the national spokesperson of TMC, later told media persons that she has left the TMC.

"I have left Trinamool Congress. It is a long story ...