Photo taken on March 29, 2020 shows a rail coach modified into quarantine isolation units at a railway station in New Delhi, India. Indian railways Tuesday said it was ready to modify 20,000 coaches into quarantine isolation units to increase the quarantine facilities in the country. (Xinhua/Javed Dar)

Photo taken on March 29, 2020 shows a rail coach modified into quarantine isolation units at a railway station in New Delhi, India. Indian railways Tuesday said it was ready to modify 20,000 coaches into quarantine isolation units to increase the quarantine facilities in the country. (Xinhua/Javed Dar)

Photo taken on March 29, 2020 shows a rail coach modified into quarantine isolation units at a railway station in New Delhi, India. Indian railways Tuesday said it was ready to modify 20,000 coaches into quarantine isolation units to increase the quarantine facilities in the country. (Xinhua/Javed Dar)