The CDSCO has also recommended granting approval to Bharat Biotech for conducting an interchangeability study on COVAXIN and adenoviral intranasal vaccine BBV154. Read all you need to know.
source https://www.jagranjosh.com/current-affairs/covid19-vaccines-cdsco-grants-approval-to-mixing-of-covaxin-and-covishield-1627631466-1