India, July 25 -- Rani Kapur, the mother of late billionaire industrialist Sunjay Kapur, has written to the Sona Comstar Board seeking a deferral of the Annual General Meeting (AGM), scheduled for Friday.

Rani, who is also the former Chairperson of Sona Comstar, has also raised serious questions over the circumstances surrounding her son's sudden death in London last month.

In a letter, she alleged coercion, misuse of documents and attempts to usurp family legacy after her son's death last month. She has sought a deferment of the AGM by at least two weeks.

Sona Comstar was started by Sunjay Kapur's grandfather in 1997. At the time of his death, his net worth was estimated at $1.2 billion, according to Forbes.

She also raised strong ob...