Ans. You can apply for the NSTSE exam online via the official website of Unified Council. First, you need to visit the website and go to the registration section for the 2020-21 academic year. Once you click on that particular link and register, you need to select the Olympiad you want to take part in. After that, fill-up the form with all the necessary details and submit it. You need to pay the examination fee, i.e. Rs.354, to confirm your registration. Once you finish, download the payment receipt and application form for future reference.