The Ministry of External Affairs (MEA) made the submission before a bench of Chief Justice G Rohini and Justice Jayant Nath in response to the woman's plea against her extradition by citing a 118-year-old treaty which was signed between the United Kingdom and Chile in 1897 and was applicable to all British colonies including India.
She is alleged to have participated in the assassination of Chilean Senator Jaime Guzman Errazuriz on April 1, 1991.
Challenging her arrest, she has also claimed that the Extradition Act 1962 does not apply to her.
The MEA in an affidavit filed in court has refuted her contentions, saying even if there was no treaty between the two nations, the Act would apply to fugitive criminals.
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Additional Solicitor General (ASG) Sanjay Jain, appearing for the ministry, also told the court that as per the Act an extradition treaty includes treaties, relating to extradition of fugitive criminals, which were made before August 15, 1947 and extended and were binding on India.
"Change in form of government of a contracting state does not put an end to its treaties," the MEA has said in an affidavit filed in the court.