The Rail Spring Karkhana (Rail Spring Factory) (Hindi: à ¤°à ¥Âà ¤² à ¤¸à ¥Âà ¤ªà ¥Âà ¤°à ¤¿à ¤Âà ¤ à ¤Âà ¤¾à ¤°à ¤Âà ¤¾à ¤¨à ¤¾), located near Sithouli Railway Station around 12.8 km way from Gwalior Railway Station Gwalior in the Indian state of Madhya Pradesh. It is a major railway workshop for Indian Railways which manufacture Hot Coil Springs of different types for diverse Rolling Stocks.