NEET UG 2023 Registration Window Reopens Today: The National Testing Agency (NTA) will reopen registrations for the National Eligibility-cum-Entrance Test (NEET) UG 2023 today, i.e., April 11, 2023 on its official website. The candidates will be able to apply for the NEET UG 2023 until April 13, 2023 on the official website of the NTA, neet.nta.nic.in.