This website is the shortcut to access the information about the train, seat availability, fare etc. simply fill the required fields and search your options. no need to login and password thing.
It provides information very quickly and accurately.
Even railway ticket agents use this website and that shows how handy this website is.
Here you can find the railways rules, national train enquiry system, codes etc.
It does not take longer time to load and does not get stuck like irctc official website.
Though for exact fare charges you have to access the official website off irctc because as per the new rule their are dynamic charges applicable on train fares.
I have been using this website since long and believe me it is too good.