Hello, Amar Chaube.
This document will point you to the ThingWorx Help Center page and the Guide for working on a custom Mashup, depending on what version of ThingWorx you have.
Have you seen those documents already and are still unclear about how to proceed?
-- Craig A.
Hello Craig ,
Thanks for replying ,i have gone through those documents you provided in the link ,but still not very clear do i need to create a custom grid widget for achieving my requirement ,or is it possible to build it using repeater widget .,or within the grid widget if possible.