The duo was wanted in several cases of killings and robbery.
The DGP said Sachin was in touch with Goldy Brar, another member of the Lawrence Bishnoi gang, who has claimed responsibility for the singer's murder.
Police wearing bulletproof jackets were seen taking the cover behind a tractor and a trolley near the building where the gangsters were hiding.
Roopa and Kusa were hiding at a building in Bhakna village near the India-Pakistan border in Amritsar. They were absconding after Moosewala's killing, Ban said.
The video is not available on the streaming website and the message displayed says, 'This content is not available on this country domain due to a legal complaint from the government.'
The song's title refers to the Sutlej-Yamuna Link canal, which has been a bone of contention between Punjab and Haryana for several decades.
Those arrested for the popular singer's murder include Priyavrat, the head of 'Bolero Module' who led the team of shooters, Kashish alias Kuldeep, and Keshav who acted as a facilitator.
The recent killing of artist Siddhu Moosewala has brought into the spotlight the extortion, contract killings, drug-peddling, the mining mafia and terrorism that are quite common in Punjab.
The High Court administration is learnt to have told the government that it cannot spare a judge.
Punjab BJP leader Friday moved the Supreme Court for a CBI investigation into the killing of singer Sidhu Moosewala.
Sachin Bishnoi, a member of Lawrence's gang had made a virtual call to a news channel and claimed that he 'killed Sidhu with his own hands.'
Bishnoi had moved to the high court Wednesday after withdrawing his plea from the Delhi HC where he stated that he feared he would be killed in a fake encounter by the Punjab police.