India, June 10 -- The Trinamool Congress (TMC) suffered another setback on Wednesday after Rajya Sabha MP Sushmita Dev resigned from the Upper House, becoming the second party parliamentarian to step down within a week amid an escalating political crisis in the party.

Dev, a former Congress leader who joined the TMC in 2021, submitted her resignation to Rajya Sabha Chairman C.P. Radhakrishnan. Her exit comes shortly after senior TMC leader Sukhendu Sekhar Ray resigned from both the Rajya Sabha and the party.

In her resignation letter, Dev expressed gratitude to the Rajya Sabha leadership and secretariat for their support during her tenure.

"I do hereby resign from the membership of Rajya Sabha, which may please be accepted with immedia...