[1] The line passed through Rohtak-Jind-Bhatinda-Muktasar-Fazilka-Bahawalnagar and provided direct connection through Samma Satta (now in Pakistan) to Karachi.

The extension from the Macleodganj (later renamed Mandi Sadiqganj and now in Pakistan) railway line to Ambala via Qasamwala-Hindumalkote-Abohar-Bhatinda-Patiala was opened by the same company in 1902.

After partition of India, a 20 kilometres (12 mi) line linked Amruka on the Pakistan side of the India–Pakistan border, opposite Fazilka, towards Samma Satta.

[4] A strategically important 1,681 metres (5,515 ft) Kaiser-E-Hind Rail-cum-Road Bridge was blown up during the Indo-Pakistani War of 1971 at Hussainiwala, and was never rebuilt.

[6] The 81 km (50 mi) long 5 ft 6 in (1,676 mm) broad gauge line between Fazilka & Firozpur was laid in 1950, destroyed in 1965 & 1971 wars & finally re-laid in 1972 as a 84.8 km (53 mi) long 5 ft 6 in (1,676 mm) broad gauge line.

At the same time, Punjab Northern State Railway started constructing from Lahore towards Peshawar.