Hi balachandar_in1,
to ask feedback from the buyer, send them the following link. This link will directly take them to the page where they can leave feedback for you.
https://signin.ebay.in/ws/eBayISAPI.dll?SignIn&UsingSSL=1&pUserId=&co_partnerId=2&siteid=203&ru=http%3A%2F%2Ffeedback.ebay.in%3A80%2Fws%2FeBayISAPI.dll%3FLeaveFeedbackShow%26LeaveFeedbackShow%3D&pageType=163
Regards,
Sapana