New Delhi, June 8 -- In a major jolt to the Trinamool Congress amidst the ongoing political rift within the party, Rajya Sabha MP Sukhendu Sekhar Ray has resigned as a member of the Upper House of Parliament and from the primary membership of the TMC.

In his resignation, Ray slammed the TMC over its massive defeat in the recently concluded West Bengal Assembly elections. He termed the verdict as an outcome of the "15-year anarchical rule" of the Mamata Banerjee-led party, which was driven by widespread unbridled corruption, atrocities committed against women, abysmal failure in the field of health, education, industry, law and order, employment, etc.

"In the recently held election to the West Bengal Legislative Assembly, the people have...