NPTEL stands for National Programme on Technology Enhanced Learning, a joint project between the Indian Institutes of Technology (IITs) and the Indian Institute of Science (IISc) to provide free online courses in engineering, science, and humanities:
Courses
NPTEL offers courses in a variety of subjects, including engineering, science, and humanities. Courses are available in 4, 8, or 12-week formats.
Certification
NPTEL offers online certification courses. To earn a certificate, you must join a course, submit assignments, register and pay for exams, and pass the exam. The exam is optional.
Accessibility
NPTEL courses are free to enroll in and learn from. You can view the courses on the NPTEL website