India, Jan. 8 -- Agnivesh Agarwal, Vedanta Group chairman Anil Agarwal's son, died of a cardiac arrest at the age of 49 in what the latter described as a "medical setback" during treatment following a skiing accident in the US.

Anil Agarwal, announcing the demise of his son on Wednesday, said the it was the "darkest" day of his life.

Anil Agarwal is the founder and chairman of Vedanta Resources Limited, a natural resources company, and also heads the Anil Agarwal Foundation, which undertakes the group's philanthropic initiatives.

Recalling his son's journey, Anil Agarwal said Agnivesh was born in Bihar's Patna on June 3, 1976, and grew up to become a respected business leader and a compassionate individual.

Agnivesh studied at Mayo Co...