Dairy and renewable energy company Heritage Foods' shares extended gains for a fourth consecutive session on Thursday. TDP chief Chandrababu Naidu, who won the Lok Sabha elections by a landslide, founded Heritage Foods in 1992. His wife Nara Bhuvaneswari holds a 24.37% stake in Heritage Foods, NDTV Profit reported. The company has an m-cap of around ₹5,494 crore.