The Tata Institute of Fundamental Research (TIFR) is a research institution in Bombay, India, dedicated to basic research in mathematics and the sciences. It is a Deemed University and works under the umbrella of the Department of Atomic Energy of the Government of India. It is located at Navy Nagar, Colaba, Mumbai. TIFR conducts research primarily in the natural sciences, mathematics, the biological sciences and theoretical computer science and is considered to be one among India's outstanding research centres. TIFR has a graduate program leading to a PhD in all the major fields of study. TIFR is rated with an “A” grade, as determined by India's Ministry of Human Resource Development (MHRD).