Diageo Plc is weighing raising its majority stake in Indian spirits maker United Spirits Ltd (USL), according to people familiar with the matter. USL is the maker of McDowell’s No. 1 whiskey, Signature whiskey, Romanov vodka, among other spirit brands.

Diageo is said to be considering an open offer to other shareholders in United Spirits, according to people, who do not want to be identified because the matter is private.