SWAYAM is a initiative of the Government of India designed to achieve access, equity and quality. This is to afford the best teaching learning resources to everyone. SWAYAM MOOC is the World's largest online Free E-learning Platform. So these courses are absolutely free. But for a certificate, you pay a little amount as a fee. Because this is a Government's initiative and there are many courses to select from, it adds value to your CV. For more information, please read the FAQs at: https://www.aicte-india.org/sites/default/files/FAQ_SWAYAM.pdf