BJP-backed Sarkari Karmachari Parishad holds its first convention.
Roy was earlier asked to appear before CBI for interrogation by January 21.
The BJP leader wondered why senior TMC leader Mukul Roy was not facing CBI.
Trivedi has raised speculation about his imminent entry into the saffron party after he shared dais with the PM’s brother in Kutch.
Abhishek says people with no knowledge of Bengal claiming to change political scenario.
CBI investigators may meet Roy in Delhi if he continues to evade appearance before the agency.
A protest letter in this regard has been sent to AICC president Sonia Gandhi.
Trivedi asserted that he was still with Trinamool, but did not deny having been in touch with BJP.
The rally would be addressed by TMC youth wing president Abhishek Banerjee
A source said that apart from some frontline TMC leaders, many Congress, RSP leaders were slated to join BJP
He was removed following an interim report of investigation into the incident.
He was addressing party workers ahead of the February 13 bypoll in Bongaon Lok Sabha constituency.
The minister also predicted that in 2019 the BJP would lose the general elections under PM Narendra Modi.
CEO said that such matters are dealt with by Election Expenditure monitoring unit under the ECI.
Mamata’s words came in the context of mounting fear over summons issued by the CBI to Mukul Roy