BJP working president JP Nadda said there is "jungle raj" and a "reign of terror" in West Bengal.
Mr Nadda also performed a ritual known as "mass tarpan" for party workers who lost their lives in political violence in the state in the last few years. Tarpan is a ritual in which water is offered to ancestors with prayers for peace to the departed souls.
The time of the Trinamool Congress (TMC) government is over, Mr Nadda said, claiming that family members of "slain BJP workers" in West Bengal are not getting justice.
"There is 'jungle raj' and a reign of terror in West Bengal under the TMC. It is witnessing 'goonda raj' as there is no rule of law here. But, this 'jungle raj' will end soon as the time of the TMC government is over," he added.
West Bengal chief minister Mamata Banerjee is "fast losing her political ground in West Bengal. She has no vision as the chief minister," he said.
Senior TMC leader Firhad Hakim asked why JP Nadda did not see jungle raj at the Centre as faulty policies of the BJP government led to the weakening of the economy and job losses across the country.
"He(Nadda) himself has come from the jungle and that is why he sees jungle raj everywhere, even in the state of Bengal which has set a record in terms of developmental work. This is unfortunate," Mr Hakim, who is also a minister in the Mamata Banerjee government, said.
"When there are job losses across the country, the economy has nosedived, there are incidents of lynchings over religion, caste, can''t he (Nadda) see misrule or Jungle raj?" Mr Hakim questioned.
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