Ahmed, who had gone to Pakistan about 10 days ago through the Attari border, returned on Tuesday.
Intelligence agencies have detained a Kashmiri man at the Attari border near here for allegedly carrying a badge of militant group Hizbul Mujahideen, security officials claimed on Wednesday.
The man, Hilal Ahmed, about 24 years old, was being questioned by intelligence agencies after officials of the customs department allegedly found the badge from his luggage during checking at the Integrated Check Post (ICP) in Attari, 30 km from here.
Ahmed, who had gone to Pakistan about 10 days ago through the Attari border, returned on Tuesday.
Security officials said further investigations were in progress.
The Hizbul Mujahideen is the oldest militant outfit in the Jammu and Kashmir state.