New Delhi, Feb 6 (IANS): An FIR was registered against real estate baron Sushil Ansal and some erring officials for concealing facts in his passport, the city police told the Delhi High Court on Wednesday.

The FIR was lodged on January 17 against Ansal and three police officials over charges of cheating and under the provisions of Passport Act.

The police told Justice Najmi Waziri that they are investigating the matter how Ansal got "clear" certificate in passport verification report despite 163 general complaints pending against him.

The police said that Ansal did not disclose the criminal cases pending against him when he had applied for the passport in 2013.

The court was hearing a plea by the Chairperson of Association of Victims of Uphaar Tragedy (AVUT), Neelam Krishnamoorthy, who alleged that Ansal concealed or gave false information to the authorities for renewal of his passport.

The plea alleged that Ansal obtained the passport through illegal means by suppressing the most material information -- that he was facing criminal charges and had been convicted and sentenced for two years in the Uphaar fire tragedy.