The foundation stone of Patanjali Mega Food and Herbal Park, promoted by yoga guru Ramdev, was laid in Mihan area in Nagpur on Saturday by Maharashtra Chief Minister Devendra Fadnavis and Union Transport Minister Nitin Gadkari. Spread over 230 acres, the food park will have Patanjali’s production units and provide direct employment to 10,000 youths, Ramdev said.