A Pakistani spy was detained by CID and Border Intelligence Police, near Indo-Pak border in Rajasthan's Jaisalmer on Sunday.
A joint interrogation is currently underway.
Earlier last week, the Rajasthan Police arrested a Jaisalmer resident allegedly planning to share information with Pakistan Intelligence agencies.
The accused, Sadiq was interrogated and the seized material was analysed after his arrest. A case was lodged against him under the Official Secrets Act, 1923.