The Delhi Assembly passed a resolution on Friday against the National Population Register and the National Register of Citizens.
At the one-day special session, which was held to discuss the NPR and the NRC, Chief Minister Arvind Kejriwal requested the Centre to withdraw them.
"Me, my wife, my entire cabinet don't have birth certificates to prove citizenship. Will we be sent to detention centres?" Kejriwal asked.
The chief minister challenged Union ministers to show whether they had birth certificates issued by the government.
In the Assembly, Kejriwal asked the MLAs to raise their hands if they had birth certificates, following which only nine legislators in the 70-member House raised their hands.
"Sixty-one members of the House do not have birth certificates," he said.