MUMBAI: A Birla Estates’ subsidiary has bought Hindalco Industries’ Kalwa’s factory, spread over 24.5 acres, for ₹537.42 crore. In July 2023, Hindalco Industries had announced that its board of directors had given the go-ahead for sale of the land parcel to Birla Estates’ arm, Ekamaya Properties. “The digitization of land records and enhanced transparency have played a key role in …