This document contains the declaration by Kayalvizhi Jayavel that the work presented in her thesis titled "Design and Implementation of Internet of Things Testbed Framework- A Performance Enhanced Approach" was carried out by her under the supervision of Dr. Revathi Venkataraman. She declares that the work has not been submitted for any other degree and that she has properly cited all sources. Dr. Revathi Venkataraman certifies that the candidate's statements are correct and that a plagiarism check found the thesis contents to be within permissible limits.