Jailed underworld don Chhota Rajan was admitted to All India Institute of Medical Sciences (AIIMS) in the national capital on July 27 following complaints of stomach ache, ANI reported.
He is currently under treatment at the hospital.
Notably, the 61-year-old gangster was earlier admitted to the same hospital after he tested positive COVID-19.
Rajan was arrested in 2015 in Indonesia's Bali and was deported to India. He is lodged in Tihar jail since then.
Rajan was sentenced to life imprisonment for the murder of journalist J Dey back in 2011.