| Event | Mailani-Nanpara Rail Track Declared Heritage Route |
| Location | Mailani-Nanpara railway line, passing through Dudhwa National Park, Uttar Pradesh |
| Key Announcement | Indian Railways declared the 171km Mailani-Nanpara metre gauge railway line a heritage route |
| Historical Significance | Built over 130 years ago by the British, features 16 stations, 71 bridges, and dual-gauge stations at Mailani and Nanpara |
| First Preserved Line | Mailani-Dudhwa is the first meter-gauge line in the North Eastern Railway (NER) to be preserved |
| Sustainable Tourism | NER plans to preserve traditional railway equipment at key stations like Mailani and Dudhwa, maintain metre-gauge diesel engines |
| Heritage Tourism | Initiative launched in 2022 with the Mailani-Bichia AC tourist coach, inaugurated by Railway Minister Ashwini Vaishnaw |
| Expected Impact | Expected to boost eco-tourism, improve regional connectivity, and support local livelihoods |
| Recent Developments | - Lakhimpur-Mailani broad gauge section opened, extending to Pilibhit<br>- Bahraich to Nepalganj Road section commissioned as a fully electric broad-gauge track |
| Special Event | April 2025: Special heritage AC tourist train operated from Mailani to Dudhwa during "Station Mahotsav", commemorating 140 years of Gorakhpur Junction |
| Dudhwa National Park | - Established in 1977, located in Lakhimpur Kheri district, Uttar Pradesh<br>- Declared a tiger reserve in 1987 |
| Biodiversity | Home to Bengal tigers, leopards, elephants, sloth bears, Indian rhinoceros, and over 450 bird species |
| Conservation Initiatives | - Habitat restoration<br>- Reintroduction of endangered species like swamp deer and barasingha<br>- Eco-tourism programs developed for sustainable tourism |