New Delhi: The Assam Police has registered an FIR against West Bengal chief minister Mamata Banerjee on the basis of complaints over her allegation that the Centre was conspiring to drive Bengalis out of Assam with the state's National Register of Citizens (NRC) that is being updated.

The police FIR resulted in a sharp reaction from the TrinamoolCongress(TMC) which said such an action would not stop her from fighting for the cause of the Bengalis while the BJP accused Banerjee of trying to make an "issue out of an non-issue" for reaping political dividends.

The BJP government in Assam condemned Banerjee's statement, saying it was "derogatory, insulting to the people of Assam and against the Constitution as well as the spirit of the Supreme Court."

Numerous groups staged protests across Assam condemning the statement by the TMC chief. At several places, including in Tinsukia and Biswanath, Banerjee's effigies were burnt.

At a meeting in Ahmedpur in West Bengal on Wednesday, Mamata Banerjee accused the NDA government at the Centre of "hatching a conspiracy" to drive out Bengalis from Assam by "excluding" their names from the first draft of the NRC, which was published on the midnight of December 31.

"I warn the BJP government at the Centre not to play with fire ... This is a conspiracy of the Centre to drive out around 1.80 crore people from the state," she had said. The NRC of 1951 is being updated in Assam under the supervision of the Supreme Court to identify original residents of the state in order to check illegal migration.