Mohammad Tahir Hasan completed a summer practical training from June 1-30, 2013 at the Diesel Loco Shed in Gwalior, India. He studied the N/ZDM5 class, B-B type, 450 HP diesel locomotive used on narrow gauge tracks with a 5.5 tonne axle load limit. The locomotive has a Kirloskar-Cummins KTA-1150L 6-cylinder engine that delivers 450 horsepower. It also has systems for air intake and exhaust, fuel, lubrication, and cooling. The student learned about maintaining the engine and operating the locomotive.