India, Jan. 9 -- The confrontation between the Centre and the West Bengal government over the Enforcement Directorate's raids on political consultancy firm Indian Political Action Committee (I-PAC) and its co-founder Pratik Jain intensified on Friday, with Chief Minister Mamata Banerjee leading a protest rally in Kolkata and the BJP accusing her of deep involvement in corruption.

The legal battle also saw dramatic scenes at the Calcutta High Court, where Justice Suvra Ghosh, who was hearing multiple petitions related to the raids, left the courtroom citing excessive crowding.

I-PAC has been working closely with the Trinamool Congress (TMC) on its strategy for the West Bengal Assembly elections due later this year.

The ED conducted sear...