Sure Tarun. Please refer the attached files for your reference.
PageObjectExample.java - My Test class and I have the test method testRegistrationNew. It inherits MercuryTestCase
MercuryTestCase.java - Class where I am initiating the before and after Test.
Registration.java - is my Page object for the registration
RegistrationData.java - is my data class
Let me know If you need anyother inputs from me.
Thanks
RegistrationData.javaPageObjectExample.javaMercuryTestCase.javaRegistration.java