62-year-old Hardev Singh was killed in a road accident in Canada yesterday.
In a condolence message to Singh's wife, Sawinder Nirankari, the President said, "I am sad and distressed to learn about the untimely demise of Baba Hardev Singh. Words are difficult to give solace at this moment of deep loss to you and your family".
Baba Hardev Singh was a pious soul, always concerned about the welfare of the community, Mukherjee said.
"Please accept my heartfelt condolences and convey the same to the rest of your family members and countless followers of Baba Hardev Singh in India and abroad. I pray to the Almighty to give you and other members of the family strength and courage to bear this irreparable loss," the President said.