On Sunday, Kumar was remanded to custody till February 23. A CBI team had brought him from Kathmandu on Saturday evening.

That Kumar has amassed crores from his alleged illicit organ transplant business is no secret — the Kathmandu police had earlier recovered Euro 145,000, US$ 18,900 and a bank draft of Rs 93,6000 from his possession following his arrest from Chitwan, in Nepal, on Thursday. The Nepalese media had also reported that Kumar, 40, had offered lakhs to Kathmandu police officials to buy his freedom.

The CBI has formed six teams to collect evidence against Kumar. There are nine criminal cases for illegal kidney transplant registered against him in six states, and a team from the central probe agency visited Gurgaon on Saturday to interrogate four victims recently rescued from an upscale apartment on Faridabad-Gurgoan Road. The four — Sahid, Daleep, Naresh and Rajender, from UP and Uttaranchal — had claimed the racket “stole” their kidneys after baiting them with job offers.

The CBI team recorded the statements of three of the four labourers today since Naresh had been sent to a Rohtak hospital for treatment after he developed pain in stomach and his remaining kidney.

The CBI will question all other alleged kidney donors and recipient. “A CBI team visited us on Saturday and we have divulged everything that came up in our investigations,” Gurgoan Police Commissioner Mohinder Lal confirmed. “We have also handed them evidence we have collected till now.”

The CBI is also studying Kumar’s assets. He is said to own both Gurgaon houses raided on January 15 that to bust the racket — one at Sector-23, used as the ‘clinic’, and another at DLF Phase-I. The latter was used as a guesthouse to keep recipients. He also reportedly has ancestral property at Malviya Nagar in south Delhi.    

The CBI today produced Kumar at Gulabi Bagh residence of Chief Metropolitan Magistrate Sanjeev Jain seeking custody to interrogate him further.