The party also accused BJP of making no sacrifice for the country and said it "can never be trusted as a propogator or champion of nationalism".
Liberal traditions are under serious assault and mockery of law is rampant under the Modi dispensation, it alleged.
"Narendra Modi's statement at the BJP core groups' meeting is one more act of political deception by a PM whose promise of 'acche din' and characteristic 'jumla style' (gimmickery) stands exposed before the nation.
He said those who had no sacrifice, participation and intent in creating the Indian nation "can never be trusted as propogators or champions of nationalism. The Modi establishment has converted India into a nation-state where liberal traditions are under serious assault and mockery of law is rampant".
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"The Prime Minister is shifting the goal post. People of India will hold him accountable not just for his 'pseudo nationalism' but fake and unfulfilled promises," he said.
Addressing core groups of state BJP units, Modi asserted that nationalism is the identity of BJP.
He said the week-long 'tiranga yatra' by Union ministers and party leaders to mark the 70th Independence Day had made a good impact across the country and played an important role in spreading the spirit of national unity, integrity and harmony at a time when forces against them are at work.