A consortium led by Blackstone Inc. (NYSE:BX), with Abu Dhabi Investment Authority (ADIA) and GIC Private Limited of Singapore, submitted a non-binding bid late last week to acquire a controlling stake in Haldiram Snacks Pvt. Ltd. (HSFPL), said people aware of the matter. HSFPL is the combined packaged snacks and foods business of the Delhi and Nagpur factions of the Agarwal family.