B. S. Abdur Rahman University is a private university in the state of Tamil Nadu, India. Previously functioning under Madras University and Anna University as B. S. Abdur Rahman Crescent Engineering College, the institute gained deemed status in 2008–09. The university is located in Vandalur near Tambaram, a suburban area of Chennai, India. It is one of the largest engineering institutions in India and is ranked among the top 50 engineering colleges of the country.B. S. Abdur Rahman University was founded in 1984 as Crescent Engineering College, a Muslim minority institution approved by the All India Council of Technical Education and affiliated to Madras University. The college was affiliated to Madras University until the year 2001.From 2002, many engineering colleges in the city of Chennai changed affiliations to Anna University. University of Madras became an umbrella university, exclusively for non-professional, Art & Sciences colleges that offer BSc & BCom degrees. Many colleges chose not to affiliate with any university and became deemed universities in their own right. Crescent Engineering College was affiliated to Anna University until 2008. It was elevated as a university by Section 3 of the UGC act 1956 in December 2008.