There were around 50-60 Sikh protestors who tried to march towards the Pakistan High Commission from Teen Murti.
According to the police, during investigation, it has emerged that Hussain operated under several fake identities to lure people working in organisations and departments of his interest.
Pakistan also conveyed that the Indian action was in 'clear violation' of the Vienna Convention on Diplomatic Relations and the diplomatic norms, the FO said in the early hours of Monday.
India orders two Pak High Commission officials to leave country within 24 hours after they were found involved in espionage.
A former army official said that they have given a memorandum to Pakistan against the death sentence given to Jadhav.