The route from Dirang to Patna involves descending from the Eastern Himalayas to the plains of Bihar. You first travel 350 km by road to Guwahati. From Guwahati, multiple trains like the Brahmaputra Mail connect to Patna Junction. The total distance is approximately 1100 km, making it a long but scenic journey through the Brahmaputra valley.
Total Distance: 1100 km by road, 850 km air distance.
Prefer AC 2-tier for a comfortable overnight journey.
November to February for pleasant weather.