First/Longest/Oldest in Indian Railways

First Passenger Train Ran On	16th April 1853 (between Bombay to Thane)
First Railway Bridge	Dapoorie Viaduct on the Mumbai-Thane route
First Rail Tunnel	Parsik Tunnel
First Ghats Covered by the Rail lines	Thal and Bhore Ghats
First Underground Railway	Calcutta METRO
First Computerized Reservation System started in	New Delhi (1986)
First Electric Train ran on	3rd Feb' 1925 (between Bombay VT and Kurla)
Toilets on Trains were introduced in	1891 (1st Class) & 1907 (lower classes)
Shortest Station Name	Ib (Orissa)
Longest Station Name	Sri Venkatanarasimharajuvariapeta (Tamil Nadu)
Busiest Railway Station	Lucknow (64 trains everyday)
Longest Run (Time)	Himsagar Express (3751 km in 74 hrs and 55 min)
Shortest Run	Route between Nagpur to Ajni (3km)
Longest Run for Daily Train	Kerala Express (3054 km in 42.5 hrs)
Longest Non-Stop Run (Distance)	Trivandrum Rajdhani (528 km in 6.5 hrs)
Longest Railway Platform in the World	Kharagpur (2,733 ft in length)
Longest Railway Bridge	Nehru Setu on Sone River (10044ft in length)
Longest Tunnel	Karbude On Konkan Railway between Monkey hill & Khandala (6.5 km)
Oldest Preserved Locomotive	Fairy Queen (1855), still in working order
Indian Railway's Fastest Train	Bhopal-Shatabdi (runs at a speed up to 140 Km/ph)
Train with Maximum Number of Halts	Howrah-Amritsar Express (115 halts)