This is the one and only website for railway booking in India. This is one the most trustworthy website for Indian railways. Indian railway tracks are largest ones in the world. Features:
Easy way to search of trains
Easy way of train booking
Good options for seasonal trains
Easy way to plan tours
Time saving
Drawbacks:
Website loading time is more.
Many of the times, it keeps showing incorrect password and username
Many of the times, payment get stuck
No predictability of reservation for TATKAL.
Recommendation:
As this is only web site, it is easy way to get tickets done if you are planning a trip well before in advance.