Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, formerly known as Vel Tech Dr. R. R. & Dr. S. R. University and commonly referred to as Vel Tech, is a private institute located in Avadi, Chennai, Tamil Nadu. It offers undergraduate, postgraduate and Doctoral programmes in engineering and technology, in addition to a Master of Business Administration and Polytechnic. It consists of four other campuses such as the Multi Tech, High Tech, VTRS, And the Arts and Science.