evidence: The incident happened when Asif Mohammad Khan, a former Congress MLA, was addressing a gathering near a mosque in Shaheen Bagh along with supporters. A Delhi Police constable asked Asif if he has prior permission for the gathering from the Election Commission. Former Congress MLA Asif Mohammad Khan, whose daughter Ariba Khan is a candidate in the forthcoming Delhi MCD polls, was arrested on Saturday after a video surfaced of him allegedly abusing and manhandling a police officer in Delhi's Jamia Nagar the day before. A case was registered against him on Friday soon after the incident came to light. [...] Police said that when the constable asked Asif if he had ECI's permission or not, the former legislator turned aggressive and began misbehaving with him. "Asif used abusive language and manhandled the constable. A complaint was registered against Asif in Shaheen Bagh police station and an investigation is underway," ANI quoted the Delhi Police as saying.