A private Hospital in Delhi has written a letter to the Serum Institute of India which is manufacturing the Covishield vaccine. The letter exposes the reality of the vaccine supply in the country. The private hospitals in Delhi sought the vaccine jabs from SII for April 28th. Serum Institute in its reply to the letter has stated that it will take approximately six months to supply the vaccines to the private hospitals. SII has further added that the obligation is first to meet the requirement of the government of India. Times Now has accessed the letter and asking whether the SII could comment on the same, Serum Institute has denied issuing any official statement.