Cleartrip Trains Calendar - The easy way to check the Ticket availability

Cleartrip.com provides the excellent feature to get the train ticket availability for the no of days at one shot.

Cleartrip calender is the famous one in the web to check the ticket availability. IRCTC provides only availability of tickets for the next 5days  from the date of travel. But cleartrip provides till the last day of ticket availability ie. till 4months .

Screenshots provided below.