In a letter to the state government, Sharma said, this provision will also ensure fear of police among those involved in such acts.
"I have written a letter to the state government asking it to take up the matter with Centre to ensure provisions of death penalty in cases of murder after rape", Sharma told PTI.
In the letter, the DGP also said that those who indulged in eve-teasing or other forms of sexual harassment must be imprisoned immediately and strict action should be taken against them.
The DGP's remarks came after widespread protest over the gang-rape of a young woman in a moving bus in Delhi on December 16. The girl is currently battling for her life at a Singapore hospital.