According to Bassi, Singh had filed an anticipatory bail to avoid arrest but it was "rejected" following which he went into hiding.
"Jarnail Singh's anticipatory bail was rejected and he is absconding now. I feel that he should surrender before the police as soon as possible," Bassi told reporters here.
An FIR was registered against Singh last week after police received a complaint from SDMC junior engineer, Azhar Mustafa in this connection.
"One the basis of the complaint, we have registered an FIR under IPC sections 186 (Obstructing public servant in discharge of duty) and 353 (assault or criminal force to deter public servant from discharge of his duty) at Tilak Nagar Police station against Singh" Deputy Commissioner of Police (West) Pushpendra Kumar had said.
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Delhi BJP chief Satish Upadhyay said that the "culture of impunity" was on the rise in the capital since the AAP government assumed office.
"If he has not committed any crime then he should respect the law and surrender before the police instead of running away from its grip," he said.
Several FIRs have also been filed against its MLAs including the Assembly Speaker and AAP legislator from Shahdara Ram Niwas Goel.