Hi Tanweer Ahmed Ansari,
Thanks for your reply.

I am trying to test the app using my eclipse setup, I am able to run build ant tasks build-service and deploy successfully. It does not show any error. it displays "BUILD SUCCESSFUL". But he portlets are not getting reflected in Add-> more / control panel menus.

When i try to deploy it in cmd utility, it shows the following error,
[javac] 1. ERROR in C:\Chinna\Tools\liferay-plugins-sdk-6.1.1\portlets\produ
ct-registration-portlet\docroot\WEB-INF\service\com\productRegistration\productR
egistration.java (at line 3)
[javac] import com.liferay.util.bridges.mvc.MVCPortlet;
[javac] ^^^^^^^^^^^^^^^^^^^^^^^^
[javac] The import com.liferay.util.bridges cannot be resolved
[javac] ----------
[javac] 2. ERROR in C:\Chinna\Tools\liferay-plugins-sdk-6.1.1\portlets\produ
ct-registration-portlet\docroot\WEB-INF\service\com\productRegistration\productR
egistration.java (at line 8)
[javac] public class productRegistration extends MVCPortlet {
[javac] ^^^^^^^^^^
[javac] MVCPortlet cannot be resolved to a type
[javac] ----------
[javac] 2 problems (2 errors)

BUILD FAILED

regards,
Chinnadurai