hey,

nmat exam is conducts  by GMAC is a National level MBA entrance exam. it  is the mandatory entrance test for MBA admission to NMIMS Mumbai and its other campuses as well as 20 other MBA colleges across India. some foreign mba colleges also accept nmat score for mba admission. so if you are planning to do mba from abroad you need to qualify in IELTS Exam along with nmat, for indian colleges ielts exam score is not necessary.