"Jamaluddin,a resident of Ghazipur, has been arrested from Trans-Gomti area here. He used to distribute money to other agents on directives of ISI after receiving it from the UAE," Additional Director General, Law and Order, Daljeet Singh Chowdhury said.
The accused had transferred money to Gordhan Singh, who was arrested on December 27, 2015 from Pokhran in Rajasthan, he said.
Singh had allegedly leaked military information to Pakistani spy agency ISI.
"The probe is on and besides ATS, Rajasthan CID and intelligence agencies are interrogating him," he said.
ATS is likely to hold a press conference tomorrow to brief about the arrest.