1. It's necessary to register the Relinquishment Deed in favour of your mother.
2. Without your physical presence in India, the Relinquishment Deed , on your behalf, can be executed by you authorising one of your family members through POA.
3. Since you want to relinquish your share in your mother's favour, the execution and registration of the Relinquishment Deed, whether by you personally or through POA is essential.
4. To prepare the Relinquishment Deed and getting it registered may take three working days.
5. Since the Relinquishment Deed is between blood relatives, the cost will not be costly.
6. Get the POA prepared by a Lawyer and paste your photo on it and put your signature and get it authenticated in the Indian Consulate or get it notarized and send it to Delhi for it to be adjudicated in the jurisdictional District/Sub Registrar's Office to make it legally valid.
7. Armed with the POA, your family member, can execute the Relinquishment Deed, on your behalf, in your mother's favour in the jurisdictional District/Sub Registrar's Office at Delhi.