if any one have 8051 interview queations and programs pls post me
Interview questions are designed to evaluate if you know how to do anything or solve basic problems, if you need assistance to do this what is the point of hiring you? The pool of talentless individuals is quite deep.
Go learn how to program, and write a few dozen applications yourself, and bring those along with you. If you've participated in some open source project in some meaningful way, provide you interactions with the devs and your code submissions.