Delhi gang rape victim dies in Singapore hospital

Question

http://timesofindia.indiatimes.com/india/Delhi-gang-rape-victim-dies-in-Singapore-hospital/articleshow/17802192.cms

http://timesofindia.indiatimes.com/india/Delhi-gang-rape-victim-dies-Cerebral-edema-swelling-of-the-brain-proved-fatal/articleshow/17804325.cms


What should be the punishment for a rapist?

1.LIfe imprisonment
2.Capital punishment
3.Hanged till death
4.Any other

Please vote