Delhi Police on Tuesday chargesheeted disgraced diplomat Madhuri Gupta accusing her of passing secret information to Pakistan's ISI during her posting in Islamabad.
Gupta, who was arrested in April, has been accused of being in touch with two ISI officials, Mubshar Raza Rana and Jamshed.
The over 700-page chargesheet and annexures filed before Chief Metropolitan Magistrate, Ms Kaveri Baweja, sought the prosecution of the IFS Group B officer under various provisions of the Official Secrets Act and the Indian Penal Code.
Police has cited 30 witnesses to buttress the charges against Gupta.
The judge said the chargesheet will be taken for consideration on Wednesday.
Gupta who was brought in the court, denied all the charges against her.
Earlier, when Gupta was arrested, police had alleged that she was given Rs one lakh for allegedly passing secret information to ISI agents.
Gupta, 53, posted as second secretary, Press and Information at the Indian High Commission in Islamabad, was arrested on April 22 by the Delhi police's Special Cell under the Official Secrets Act on charges of revealing classified information to Pakistani officials.
She had allegedly passed on the information to the Pakistani agents by using email through her phone. Police recovered from her SIM cards she had obtained in Pakistan.
The investigators had seized five computers from her office and residence in Islamabad.