As of June 2023, which of the following is the longest train route in India?

The correct option is Dibrugarh-Kanyakumari.

Explanation:

As of June 2023, the Vivek Express (Train No. 15905 / 15906), which runs between Dibrugarh in Assam and Kanyakumari in Tamil Nadu, is the longest train route in India both in terms of distance and time.

Key facts about this train route:

• Total Distance Covered: Approximately 4,154 kilometers (2,581 miles).

• States Covered: It passes through 9 states: Assam, West Bengal, Bihar, Jharkhand, Odisha, Andhra Pradesh, Telangana, Tamil Nadu, and Kerala.

• Duration: The journey takes around 74 to 75 hours to complete.

• History: The Vivek Express chain of trains was announced in the Railway Budget of 2011–12 to commemorate the 150th birth anniversary of Swami Vivekananda.