India, March 17 -- The process of passive euthanasia for 32-year old Harish Rana, whose "right to die" was upheld by the Supreme Court earlier this month, may take weeks to complete as it involves several stages, including gradually withholding or withdrawing the nutritional support.

Rana, a resident of Uttar Pradesh's Ghaziabad, has been in coma since suffering from a catastrophic head injury after falling from the fourth floor of his paying guest accommodation in 2013, when he was an engineer student in Chandigarh.

He was shifted from his Ghaziabad home to the palliative care unit at Dr BR Ambedkar Institute Rotary Cancer Hospital at the All India Institute of Medical Sciences (AIIMS) Delhi on Saturday.

In its first ever order allowi...