Kochi: The Kerala government on Wednesday claimed in the high court that the Centre’s vaccination policy was ‘encouraging’ black marketing.In its submission before the bench of Justices A. Muhamed Mustaque and Kauser Edappagath, hearing a case relating to COVID-19 vaccine shortage in the state, the government attorney questioned the decision to fix different rates for procuring vaccines for both the central and state governments.He said the rates must be fixed based on the cost of production.Accusing the private vaccine makers of charging exorbitant prices for vaccines, the state government said the companies cannot be allowed to play in between the pandemic.It sought to know how private parties can be allowed to indulge in black marketing.“The central government is encouraging black marketing… why are different rates being fixed?” the government asked.