The action of the agency took place in coordination with Naval and Army authorities.
CBI sources said they had received inputs that medicines are allegedly being procured from local dealers at exorbitant rates instead of purchasing these stocks at approved rates from contract dealers or original manufacturers in accordance with "Stock Policy".
"The information also indicates that certain drugs are allegedly being procured in excess of the actual requirement and in violation of the 'Stock Policy', thereby leading to expiry of a large quantity of medicines," an official said.