Here is another post, indicating it is free for all students. https://www.firstpost.com/tech/science/isros-new-pslv-variant-to-launch-power-student-satellites-

Here is another post, indicating it is free for all students. https://www.firstpost.com/tech/science/isros-new-pslv-variant-to-launch-power-student-satellites-for-free-starting-25-jan-5933331.html https://www.firstpost.com/tech/science/isros-new-pslv-varian...