The 12617 / 12618 Mangala Lakshadweep Superfast Express is a Daily Superfast Express train in India that runs between Hazrat Nizamuddin in Delhi and Ernakulam Junction in Kochi, Kerala via the Konkan Railway route.

Till then the people of Kerala and Karnataka relied on Grand Trunk Express that operated between Chennai and New Delhi for travel to the capital.

It was called Jayanti Janata Express since 1972–73 was the Silver Jubilee (Rajatha Jayanthi) of Indian Independence.

Later in 1993, the slip service got discontinued & this train was made independent & officially renamed as 2617/18 Mangala Express.

Return this train leaves Hazrat Nizamuddin at 05:40 to reach Ernakulam Junction at 07:10 on the 3rd day.