After getting the support of approximately 22 parties to protest against the Centre, the Trinamool Congress (TMC) sought to project Mamata Banarjee, West Bengal CM as a leader who succeeded in uniting the entire Opposition against the alleged misuse of the CBI.

Amongst the apparent 22, Delhi chief minister Arvind Kejriwal, TDP's N Chandrababu Naidu, RJD's Tejaswi Yadav, DMK's Kanimozhi have expressed their desire to join the protest in Kolkata.

The chief minister has been sitting on a dharna since Sunday night against the CBI's attempts to question Kolkata Police Commissioner Rajeev Kumar in connection with multi-crore chit fund scams.

"Congress president Rahul Gandhi, BSP supremo 

On the controversy over the presence of the Kolkata Police commissioner at the protest site, Derek calrified that Kumar was present to show solidarity with the other officers, as the dharna was aimed at strengthening the administration.

Kalyan Banerjee, a TMC member alleged that Home Minister Rajnath Singh was hiding facts from Parliament and Calcutta High Court had stayed the summons against Kumar till 13th February.

He added that the CBI has violated the orders of the court by moving against Kumar which is against the Constitution as well as the federal structure and thus as the head of the state, Mamata Banerjee has protested against it.