Key stations under redevelopment are Nagpur, Chhatrapati Shivaji Maharaj Terminus, Habibganj, Gwalior, Gandhinagar, Sabarmati,Ayodhya, Gomti Nagar, Safdarjung, New Delhi, Tirupati, Nellore, Dehradun, Amritsar, Ernakulam, Kerala and Puducherry. Read more