An Indian court awarded a life sentence on Monday to a police volunteer convicted of the rape and murder of a junior doctor at the hospital where she worked in the eastern city of Kolkata, rejecting demands for the death penalty and saying it was not a rare crime.

India's West Bengal state launched an appeal on Tuesday to overturn a life sentence in favour of the death penalty for a police volunteer convicted of the rape and murder of a junior doctor, a senior lawyer aware of the development said.

An Indian police volunteer was convicted on Saturday of the rape and murder of a junior doctor at a hospital in the eastern city Kolkata, in the speedy trial of a crime that sparked national outrage over a lack of safety for women.

A court in India has given the life sentence to a man for the rape and murder of a junior doctor, a crime that sparked nationwide outrage and protests. The judge rejected demands for the death penalty but said that Sanjoy Roy,