The 22503 / 22504 Dibrugarh – Kanyakumari - Dibrugarh Vivek Superfast Express is a Daily Superfast Express train of the Vivek Express series belonging to Indian Railways and operated by Northeast Frontier Railway which runs from Dibrugarh in India's north eastern state Assam to Kanyakumari in Tamil Nadu the southernmost state of India.

In 74 hours 35 minutes the train covers a distance of 4,189 kilometres (2,603 mi) and traverses through eight states in India.

Vivek express also holds another place in the history of Indian railways, as being the last train to halt its services, when the entire Indian railway passenger services came to standstill following the COVID19 pandemic and the subsequent nationwide lockdown in March 2020.

This train runs through Assam, Nagaland, West Bengal, Bihar, Orissa, Andhra Pradesh, Kerala and Tamil Nadu.

Lastly from Visakhapatnam to Kanniyakumari it is hauled by WAP-7 locomotive of Electric Loco Shed, Royapuram.