What if a test taker cannot register by the last date of registration? Does he/she have an option of registering late? July 21, 2023 04:44 Updated Test takers are advised to check the registration window details from here and ensure registration within the specified window. Related articles NMAT by GMAC™: India Customer Support Telephone NMAT by GMAC™: How Does the "First Come First Served" Principle Apply to Scheduling the Appointment? NMAT by GMAC™: Why Should a Test Taker Register Early for the Exam? NMAT by GMAC™: What is the difference between Registration and Scheduling? NMAT by GMAC™: Can a test taker re-schedule the test?