Indian Railways - http://www.indianrail.gov.in/
Online Rail Reservation - http://irctc.co.in
Indian Railways - Zonal Railways Websites - http://www.indianrail.gov.in/other_Rly_Sites.html
Real time Trains & Stations Information - http://www.trainenquiry.com/
Information about detailed train routes, time schedule, train fares of Indian Railways - http://erail.in