Aizawl, Sept. 13 -- Railway Minister Ashwini Vaishnaw highlighted the engineering challenges overcome to complete the Bairabi-Sairang line, ahead of the inauguration of Mizoram's first railway connectivity by Prime Minister Narendra Modi on Saturday.

Calling the project a "crucial initiative" to link the state with the rest of India, Vaishnaw said engineers had to tackle loose sand and difficult Himalayan geology.

"It is a matter of great joy that railway connectivity to Mizoram will be inaugurated by the Prime Minister tomorrow morning. The Bairabi-Sairang project is a crucial initiative for connecting Mizoram to the railway network," Vaishnaw said on Friday.

To overcome the challenges of loose sand, a new tunnelling method was used, ...