Shimla-Kalka railway line: Northern Railways today (December 20) commenced New Year and winter season special trains on the United Nations Educational, Scientific and Cultural Organisation (UNESCO) world heritage Shimla-Kalka narrow gauge railway line. Northern Railway starts holiday special train on UNESCO world heritage Shimla-Kalka railway line
Shimla-Kalka railway line: Northern Railways today (December 20) commenced New Year and winter season special trains on the United Nations Educational, Scientific and Cultural Organisation (UNESCO) world heritage Shimla-Kalka narrow gauge railway line. 
