The 15909/15910 Dibrugarh Lalgarh Junction Avadh Assam Express is an Express train belonging to Indian Railways - Northeast Frontier Railway zone that runs between Dibrugarh and Lalgarh Junction in India. At present it currently holds the unique record of being the longest daily running train in India covering 3118 km in almost 68 hours ( ~3 days)

It operates as train number 15909 from Dibrugarh to Lalgarh Junction and as train number 15910 in the reverse direction serving the 9 states of Assam, Nagaland, West Bengal, Bihar, Uttar Pradesh, Delhi, Haryana, Punjab and Rajasthan. Avadh Assam Express was initially launched between Lucknow Jn and Guwahati in late eighties.

Act- Avash Assam express By Diwakar Arora

Route- Punjab V 0.1 By Samrat sir

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