PSU RailTel has been tasked with implementing an integrated tunnel communication system along the new single line Bhairabi-Sairang section of the Lumding division of the Northeast Frontier Railway (NFR), an official statement said on Saturday.
The public sector undertaking will also undertake emergency call arrangements in tunnels and integrated passenger information systems at railway stations along the section.
The total project will cost Rs 66.83 crore and will cover 32 tunnels with a total length of about 12,643 metres (12.6 km), it said.
