In India’s railway network, Rajdhani Express trains are known as the fastest, safest, and highest-priority services. But did you know that one Rajdhani Express breaks all records in terms of distance and travel time? We are talking about the Thiruvananthapuram–Hazrat Nizamuddin Rajdhani Express, considered the longest Rajdhani Express in the country. This superfast train covers around 2,843 kilometres in nearly 42 hours, connecting seven major states from North to South India.
A Mega Journey from Delhi to Kerala’s Capital
This train runs from Hazrat Nizamuddin station in New Delhi to Thiruvananthapuram Central in Kerala. Its train numbers in both directions are 12431/12432. It is not only the longest Rajdhani Express but also one of the most prestigious long-distance high-speed premium services of Indian Railways.
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Starts in the Morning, Arrives the Next Night
According to India Rail Info, the train departs from Hazrat Nizamuddin at 6:16 AM and reaches Thiruvananthapuram the next day at 11:35 PM. This journey of nearly 42 hours offers passengers a unique travel experience. The train passes through seven states—Rajasthan, Madhya Pradesh, Gujarat, Maharashtra, Goa, Karnataka, and Kerala. During this long journey, travellers witness changing weather, languages, culture, and landscapes. This is why the train is not just a mode of transport but a moving travel-book filled with the colours of India.
High-Priority and Highly Punctual
Being a Rajdhani Express, the train receives top priority in Indian Railways. Despite its long route, it maintains its reputation for fewer stops, high speed, and on-time performance.

