Death of a close family member abroad can take a toll on the family left behind. Indian High Commission has a special department that deals with these inquiries and help the Indian nationals to repatriate the remains of their family members making it as smooth as possible.
Please follow this link for the process:
https://www.hcilondon.gov.in/coninfo5
In case of emergency call: 0207 632 3035 or 07768 765 035