Admin: The admin is responsible for all the material. He has to add material. He is also empowered to edit and correct it if users complain regarding the incorrect data on the material. He is also empowered to delete any material. He has to talk to the user if they are finding some issue through the query section.
User: Users is the actual person who has to use it. To get access to the study materials, he simply has to log in to the page and choose the subject and then choose the topic from the respective subject and study hard and clear the examination.