NID stands for national Institute of design, which is undoubtedly the leading Institute of design in India. NID is nationally as well as internationally well acclaimed one of the finest educational and research institution which provide Industrial, Communication, Textile and IT Integrated Design courses both for under-graduates and post-graduates and doctoral levels.
To take admission at NID candidates must check the eligibility criteria here first.
After qualifying NID DAT you can get admission to NID as per your performed score.
NID organise a two stage national level Entrance examination every year for admission of students for B. Des and M. Des courses provided by NID. The entrance examination of NID is being called NID-DAT. DAT stands for design aptitude test. This examination evaluates the candidate's visualisation skills, creative & observation skills, knowledge, comprehension, analytical ability, et cetera. Experts have shared that this NID's design aptitude test is one of the most challenging design entrance exams conducted in India.
NID DAT has two stages of exam which are NID DAT prelims and NID DAT mains. Candidates need to qualify both of the exams in order to get admission at NID. NID prelims is the first stage of the exam and is the written test. After qualifying prelims candidates can sit for mains.
Hope this helps!
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See how to prepare for NID prelims,
https://designfresher.com/forum/question/how-to-prepare-for-nid-prelims-entrance-exam