Singh, his driver Pankaj and assistant Praveen, who were arrested yesterday, were produced before Metropolitan Magistrate Gomati Manocha.
The police demanded that they be remanded to judicial custody in the case.
The police alleged that Singh has misused his position and had assaulted New Delhi Municipal Council(NDMC) beldar Mukesh and had also used casteist remarks against him.
The police said that the MLA and the two other accused be sent to judicial custody as witnesses in the case have been threatened and the allegations against them were grave and severe.
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Gupta also alleged that the police was trying to find out grounds to arrest the MLA.
Seeking bail for the accused, the defence counsel referred to the service of Singh saying being an NSG commando he served the nation during the 26/11 Mumbai terror attacks and had also sustained serious injuries at that time.
On August 4, Surinder Singh was booked for allegedly beating and manhandling an NDMC worker in Tughlaq road area when a team of NDMC officials was doing routine check and had apprehended an e-rickshaw driver to check his documents.
Singh is the third AAP MLA who has been arrested in the last two months. Former Delhi Law Minister Jitendra Singh Tomar was held in a fake educational degree case in June and Kondli legislator Manoj Kumar was apprehended in July.