Popular Indian Railway Websites

List of  popular websites that provides useful information about Indian railways:

1. http://www.indianrailways.gov.in/
2. https://www.irctc.co.in/
3. www.indianrail.gov.in/
4. http://www.trainenquiry.com
5. http://erail.in/
6. http://indiarailinfo.com/
7. www.i-n-d-i-a-n.com