Modi government has quickly "changed gears" and is now talking of NPR instead of NRC after the Assam fiasco, he said.
Chidambaram said if the state suspects that a person is not a citizen, the burden of proving that the person is not a citizen lies on the state.
The top court noted that the proceedings are pending before Income Tax Appellate Tribuna and it would like to wait till March 17 for the outcome .
He stated that this was the 'gravest act of impunity' that has been seen in recent times.
A clash broke out between members of the Jawaharlal Nehru University (JNU) Students' Union and the ABVP on the university campus on Sunday.
The case pertains to alleged losses suffered by Air India due to the alleged multi-crore aviation scam and irregularities in fixing air slots for international airlines.
UPA govt had asked states to set up holding facilities only to detain foreign tourists who stay here without valid documents, says former Union minister
Speaking at the 'Maha Rally' against the new Citizenship Act, the former Union Minister said that it is 'a matter of shame' that the UP DGP and Army Chief have been asked to support the government.
The rally, which began from Martyr's column, was led by KPCC President, Mullapally Ramachandran, Leader of Opposition in the state assembly Ramesh Chennithala, besides Chidambaram.
Chidambaram said that he is happy that the BJP has released a video clip of the launch of NPR in 2010.
A German student, who took part in anti-CAA protests here last week, has left India after Bureau of Immigration authorities asked him to leave.
Several Muslim outfits in the Central districts joined in the escalating protest against CAA and NRC.
Former Union Minister P Chidambaram will also file another petition on the same matter on behalf of former Assam Chief Minister Tarun Gogoi.
Alleging that there is "complete political instability" in the country, he said Kashmir is not quiet.
The Shiv Sena abstained from voting on the contentious citizenship bill in Rajya Sabha as the government did not give satisfactory answers to queries raised by the party.