Supriyo also said he has nothing to prove to anybody, and he has been involved in politics from the grassroots level since becoming an MP in 2014 on a BJP ticket from Asansol.
Opposition unity can't be built by undermining leaders; TMC's attack on Rahul Gandhi unwarranted: Congress
The remarks of the Congress came after the TMC's Bengali mouthpiece 'Jago Bangla' ran a cover story, attacking Gandhi by saying he has failed to take on the BJP.
The singer-turned-politician joined the TMC in the presence of party general secretary Abhishek Banerjee and Rajya Sabha MP and spokesperson Derek O'Brien.
Supriyo also said that he will be meeting West Bengal Chief Minister Mamata Banerjee on Monday.
Quarantine centres to reopen post-Bhowanipore bypoll: Kolkata civic body's Covid advisory sparks controversy
The ruling Trinamool Congress said the mention of the by-poll in the advisories might give BJP a scope to raise the pandemic issue.
The EC had sent a notice to her on Wednesday, following a complaint by the TMC that she violated COVID-19 protocols.
Dev, a former Congress MP from Silchar, Assam joined TMC last month.
The submission was made by the probe agency in its petition seeking a direction to quash two notices issued against its officers pursuant to an FIR lodged by Banerjee.
The BJP claimed that the TMC is not allowing the opposition to hold political programmes citing COVID-related restrictions in West Bengal but seeks to conduct a rally in Tripura.
Additional Solicitor General SV Raju, appearing for ED, contended before Justice Yogesh Khanna that the notices are patently illegal, malafide and a 'counter blast' to the investigation in the case.
The Lok Sabha MP of Diamond Harbour is one of the key persons in the TMC who popularised Twitter among functionaries of the Mamata Banerjee-led party and its different wings.
TMC minister Firhad Hakim, who is campaigning door-to-door for his party supremo, rubbished BJP's claim of giving their rivals a tough fight.
Targeting the chief minister over post-poll violence, Priyanka Tibrewal said that the people of the state have the right to live but this right is being taken away by Mamata Banerjee and her party.
Sources in the BJP said the party is preparing its battle line, considering the character of the voters in Bhowanipore.
Bengal Chief Minister Mamata Banerjee was defeated by the BJP's Suvendu Adhikari from the Nandigram seat in the assembly elections held earlier this year.