In response, the District Disaster Management Authority (DDMA) of Mangan District, headed by Sub-Divisional Magistrate (SDM) Chungthang, conducted an urgent inspection on July 22 and 23.

The highway has been closed for the past 24 days due to landslides triggered by heavy rainfall.

Engineers from the Trishakti Corps of the Indian Army undertook the rapid construction effort amid challenging conditions to restore crucial connectivity severed by incessant rains, the force announced.

Frequent flooding of the Brahmaputra River poses significant challenges for Assam and the northeastern region, causing casualties and extensive land inundation annually.

The unrelenting rain has destabilised the terrain, resulting in the destruction of several houses and the death of numerous cattle.

Last week's series of landslides and heavy rainfall claimed six lives, prompting the urgent evacuation.

Nine tourists have been evacuated so far, led by District Magistrate Hem Kumar Chettri and officials from Tourism, Civil Aviation, and Forest Departments, along with the Travel Agent Association of Sikkim (TAAS).

The relentless landslides have blocked roadways and caused severe damage to multiple houses, while electricity poles were swept away, plunging several areas into darkness.