Manish Patel from NSTI Kolkata presented information about the railway permanent way. The document discussed: 1) A brief history of railways in India including the first train run between Mumbai and Thane in 1853 carrying 400 passengers. 2) Different railway track gauges used in India including narrow gauge (762 mm), meter gauge (1000 mm), and light gauge used in Darjeeling and Kalka-Shimla railways. 3) Components that make up the permanent way (railway track) including rails, sleepers, ballast, and fixtures that are used to support train movement and axle loads.