==Joint Entrance Screening Test (JEST)==
JEST is the screening test for candidates who wish to do Ph.D. Programme in Physics (including Theoretical and Observational Astronomy, Astrophysics, Physics in Biology, Plasma Physics and Technology, Atmospheric and Space Sciences, Condensed Matter Physics and Materials Science) / Mathematics / Theoretical Computer Science.
*M.Sc. in Physics, or an M.Sc., M.E., or M.Tech. in related disciplines
*Candidates with M.Sc. in Mathematics will also be considered at Indian Institute of Astrophysics (IIA)
*Graduates with B.E. or B.Tech. will also be considered eligible.
===For Mathematics ===
*M.Sc. in Mathematics, or an M.Sc., M.E. or M.Tech. in related disciplines.
===For Theoretical Computer Science===
*M.Sc., M.E., M.Tech., in Computer Science or related disciplines, and should be interested in the mathematical aspects of computer science.
There are separate application forms for Physics, Mathematics, and Theoretical Computer Science. For Physics, application forms can be obtained by writing to The Coordinator, JEST, Raman Research Institute (RRI), C. V. Raman Avenue, Sadashiva Nagar, Bangalore, 560 080, along with a self-addressed slip. For Mathematics at IMSc and HRI Institutes, application forms can be obtained by writing to, The Registrar, Harish-Chandra Research Institute (HRI), Chhatnag Road, Jhunsi, Allahabad 211 019, along with a self-addressed standard size envelope. For Theoretical Computer Science at IMSc, applications can be obtained by writing to The Registrar, The Institute of Mathematical Sciences (IMSc), CIT Campus, Chennai 600 113, along with a self addressed envelope. The application forms can be downloaded, from the respective institute Web site
The candidates are selected using the using the JEST results.
JEST exam is usually held on February -March