India, June 11 -- The Trinamool Congress (TMC) suffered another major setback on Thursday after Rajya Sabha MP Prakash Chik Baraik resigned from the Upper House, becoming the third party parliamentarian to step down within a week amid an escalating political crisis.

According to sources, Baraik met Rajya Sabha Chairman C.P. Radhakrishnan and submitted his resignation, further intensifying the turmoil within the Mamata Banerjee-led party.

In his resignation letter, Baraik stated, "I do hereby resign from the membership of Rajya Sabha, which may please be accepted with immediate effect."

He also expressed gratitude to the Rajya Sabha Chairman, Deputy Chairman and officials of the Rajya Sabha Secretariat for their support and cooperation ...