DGP Gourav Yadav said on Friday that Gopi is a proclaimed offender with more than 12 criminal cases registered against him.
A police investigation has revealed that Gurpreet Singh, alias Gopi Dallewalia, and Gaurav Sharma, alias Goru Bacha, are the masterminds behind the killing.
Police said three pistols and 10 live cartridges were recorded from him.
He said the raids are being conducted to arrest the other absconding accused.