Hi Rittick,

There are a lot of online coching website that provide free mock test series. If you want to subscribe, You can look at CL MOck test series, IMS Mocks, TIME Mock XAT series etc.

Among online webistes also you have HitBullsEye, Test Funda etc which offer free mock test series.

Aditionally you can search for previos XAT papers and practice them in a simulated XAT environment to get a feel of the exam. 

All the best

hii

Some of the good free mock tests for XAT preparation are:

CL- Mock Tests

IMS-SimCAT’s

Testfunda

Refer to the above and even you can try below ones:

Bullseye

HandakaFunda

The above can help you for CAT and XAT preparation.

Good Luck.