As you have asked about the important dates for online registration for Xavier Aptitude Test (XAT) conducted by XLRI- Xavier School of Management, I am giving you information about it

I want to tell you that official notification has not been released yet.
But I am giving you information just for reference

Start of XAT 2017 Registration (Expected)
September 2016, first week

End of XAT 2017 Registration and Application Form submission (Expected)
December 2016, first week

Those who have applied can download XAT 2017 admit cards from (Expected)
December 2016, second week

Application Procedure: XAT

The Registration and Application Process for Xavier Aptitude Test comprise of 3 basic steps and these are as follow –

1. Filling up of the certain basic details to create a unique XAT ID and Password.
2. Logging at the official website using XAT Login credentials to access and fill the Application Form of XAT.
Then upload photograph and signature.
3. Lastly make payment of application fee and print the confirmation page for any future reference.