Which State's/UT's Chief Minister announced that the Doctors will conduct the clinical trial of plasma enrichment technique to treat severely-ill coronavirus patients soon?

Delhi Chief Minister Arvind Kejriwal announced that the Doctors will conduct the clinical trial of plasma enrichment technique to treat severely-ill coronavirus patients soon.The method was used in the past to treat diseases such as polio, measles, mumps, 1918 flu epidemic, and in previous outbreaks of respiratory infections namely H1N1 influenza, Severe Acute Respiratory Syndrome (SARS), and Middle East respiratory syndrome (MERS).