Transport Commissioner of Kerala, Rishiraj Singh on Sunday has undergone angioplasty at Caritas Hospital where he was brought after complaining of chest pain.

Rishiraj Singh suffered a mild heart attack, doctors, who are attending on him, said. A major block has has been removed and the officer will have to remain in the hospital for at least three more days, they added.

His condition is now stable and is now under observation, according to hospital sources.