[2] The entrance lies at the premises of the Churia (Churiya) Temple off Mahendra Highway in the outskirts of Hetauda, and efforts are ongoing to conserve the remaining structure.

[1] The 13th Prime Minister of Nepal Chandra Shumsher Jang Bahadur Rana assigned Dilli Jung Thapa, the country's first civil engineering graduate, as project chief to construct the tunnel.

[2][1] The tunnel was originally constructed to reduce travel time for horse-drawn carriages and lorries traversing the distance between the Indian border and Bhimphedi.

[2] The cost to construct the tunnel is not clear; according to historians the unspent budget allocation was returned to the treasury.

[2] The tunnel has not been in use since construction of the "Pathlaiya-Hetauda road" (connecting Pathlaiya and Hetauda), and is presently unusable due to "decades of disuse and lack of maintenance".