New Delhi, March 24 -- Priya Sachdev Kapur has moved to oust her estranged mother-in-law, Rani Kapur, from a trust set up by the late Sunjay Kapur that controls the promoter entity of listed Sona BLW Precision Forgings Ltd, escalating a battle for ownership of the auto components firm, valued at over $3 billion.

In a notice issued to Rani Kapur on 24 March, Priya Kapur said that the actions of her mother-in-law have been adverse to the interests of the RK Family Trust due to which she is being removed from the trust.

This comes after Rani Kapur issued a notice to remove Priya as one of the trustees on 21 March, about two months after filing a civil suit in Delhi High Court asking for the court to void the trust.

"Trust law does not per...