The department has chalked out plans to bring Sikkim within its ambit in three years time from now.
Sources from the railway department said that land acquisition issues have delayed the project in Sikkim.
“Project to lay broad gauge line between Sivok to Rangpo was sanctioned in 2008-09. However, owing to land acquisition issues it got delayed,” the source said.
The railways is hopeful of completing the project within the stipulated time frame.