This document is a certificate from the École Polytechnique Fédérale de Lausanne (EPFL) confirming that Sayan Datta successfully completed and passed the course MF201x: Mécanique des Fluides. The course was offered through EPFLx, the online learning initiative of EPFL through edX. Professors Christophe Ancey, François Gallaire, and Marco Ramaioli of EPFL, along with Pierre Dillenbourg, Director of the Center for Digital Education at EPFL, oversaw the course.