Chandigarh/Hisar, May 23 -- His name was saved as "Happiness" in her phone. That hope unraveled when police came calling.

Investigations by Punjab Police into the links between an expelled Pakistan high commission officer who allegedly ran a spy ring in India and a 32-year-old widow from Malerkotla, Punjab, have indicated that he used to develop personal relationships with visa applicants and then used them to gather information.

Guzala was arrested on May 8 by Punjab Police on the basis of an intelligence input provided by a central agency, a police officer said on condition of anonymity. She uses only one name, according to the first information report registered after her arrest and the written statement she gave police that has been...