To register for the IELTS test, you can do so online by visiting this link. During the registration process, you will have the option to select either ‘IELTS’ or ‘IELTS for UKVI’ (specifically designed for UK Visa applicants if you are applying to a university in the UK). You will find a range of available dates, times, and venues in your country to book the test according to your preference.
After selecting a specific date, you will sit for the IELTS test on that chosen day. Your results will be announced within 14 days from the date of completing the examination. Similarly, you can also register for the TOEFL test from a similar platform by following the respective instructions here.