Welcome to HealthcareMagic forum.
Bleeding per vagina occur due to numerous cause. Age, the cause of bleeding, the marital status and size of the family of the patient are all considered while deciding the proper treatment of this problem.
As your sister's doctors have decided to remove uterus
), you are right in taking a second opinion
http://www.healthcaremagic.com/doctors/OBGYNs-in-Bangalore/L18862S26 - we have user written reviews about gynecologist practising in Bangalore. I hope this link will guide you to a good gynecologist close to your location.
Hope I have been helpful.
All the best!!