Nilgiri Mountain Railway services cancelled until November 7 due to landslides and obstructions after heavy rains; restoration under way. Southern Railway has extended the cancellation of all Nilgiri Mountain Railway services between Mettupalayam and Udhagamandalam until November 7 due to ongoing track obstructions caused by. Due to relentless downpours, the Nilgiri Mountain Railway has halted operations as debris has obstructed the tracks.