The correct option is D Tamil Nadu - Public Distribution System
States like Andhra Pradesh, Kerala, Tamil Nadu, Gujarat, Punjab, Haryana, and Himachal Pradesh have reduced their poverty levels. Each state has worked on a different aspect to fight against poverty.
Kerala focused on its human resource development, while West Bengal worked on land reforms. Similarly, Andhra Pradesh and Tamil Nadu ensured food security through their Public Distribution Systems, which were implemented effectively and helped deliver food to all people.