Then Mela officer (medical and health) Dr Arjun Singh Sengar and then officer-in-charge (medical and health) Dr N K Tyagi were suspended on Chief Minister Pushkar Singh Dhami's orders.
Officials privy to the development said district health officials as well as mela health officials have been fired as the report indicates their complicity.
During Kumbh, the Uttarakhand government had authoritised 11 labaoratories to carry out Covid testing of those visiting Kumbh Mela.
Meanwhile, the role of Chief Medical Officer of Haridwar has come under scanner in the ongoing Special Investigation Team probe.
Max Corporate Services, the firm against which FIR has been lodged in Kumbh Mela 'fake' Covid testing case, approached the Uttarakhand High Court challenging the legality of the FIR.
The decision to rope in private firms to conduct Covid tests during the Kumbh Mela was taken before he took over as Chief Minister, Tirath Singh Rawat said.