India’s longest train journey runs from Dibrugarh to Kanyakumari on the Vivek Express (Train No. 22503 / 22504). This single train covers 4,000 km across India in around 74–75 hours, without any coach change. It crosses 8 states and halts at nearly 57 stations, including Guwahati, New Jalpaiguri, Patna, Ranchi, Bhubaneswar, Vijayawada, Madurai, before reaching India’s southern tip. Sleeper class ticket price usually starts from ₹1,200–₹1,500, while AC 3 Tier and AC 2 Tier are also available depe