A letter to this effect has been submitted to the Ministry, party sources said here.
Gupta, earlier a bureaucrat and then a minister in the TMC government in West Bengal, was elected to the Upper House for the first time in March this year.
A week back, the party had removed Roy from the chairmanship of the parliamentary standing committee on transport, tourism and culture and replaced him with its Rajya Sabha leader Derek O'Brien.
Mukul Roy was removed from the position of party general secretary in 2015 after his name came under CBI scanner in the Saradha chit fund case.
He was also removed from the prime position of the leader of the party in Rajya Sabha the same year.
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