Saidul and Shuabul, both Bangladeshi nationals, were arrested from Shastri Park area of East Delhi on Tuesday evening after a tip off.
These included two divisional commanders of the Pak-based Lashkar-e-Tayiba.
According to a notification issued by the ministry, the JKGF has been involved in infiltration bids, narcotics and weapon smuggling, terror attacks in the Union territory, and threats to security forces.
Former Director General of Sikkim Police Avinash Mohananey interrogated Azhar many a times during his two-decade tenure in the Intelligence Bureau.