Entry to IIT is through the iit -jee, while for IIIT it is done through AIEEE. Both are top institutes to pursue engineering education but IIT should be preferred first than IIIT. IIIT, which stands for Indian Institute of Information Technology , is a network of prestigious institutions in India that specialize in providing education and research in the field of information technology. The Indian Institutes of Information Technology ( IIIT s) are centrally funded technical institutes located across India. They are a group of 25 interdisciplinary technology -based- engineering research institutions in India which are focused on information technology. Indian Institute of Information Technology ( IIIT ) is a network of institutions in India that specializes in providing education and research in the field of information technology.