Dear, Amity university is deemed university and it is recognized UGC and accredited by NAAC
(NAAC is autonomous body under UGC to qualify the academic standards of universities and colleges in india)Though I do not know personally about amity, but in general all the deemed universities has better infrastructure and syllabus is carrier oriented as per latest market demand. The living conditions in hostels of this universities are also good and little expensive comparing to indian standards. If you need more information about the university accreditation status visit NAAC website and read the "committee review".