Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla An bude Delhi-Ambala-Kalka a 1891.
Tabbas, mafi rikitarwa na jumla ita ce "An buɗe layin Delhi - Ambala - Kalka a 1891, kuma layin Chandigarh - Sahnewal (wanda kuma ake kira Ludhiana - Chandigarh rail link) an buɗe shi a 2013. "