This verified certificate recognizes that Vanapalli Venkata Nirmal Ramesh Rayulu successfully completed and passed the course DAT204x: Introduction to R Programming offered by Microsoft through edX. The certificate was issued on September 04, 2015 and can be verified online at the provided URL to confirm its authenticity. It was developed by DataCamp and signed by Satya Nadella, CEO of Microsoft, and Filip Schouwenaars, Course Developer at DataCamp.