Hello,

IIT BBS offers Joint MSc-PhD in Atmosphere & Ocean Science for which admission is done through IIT JAM, that is jointly conducted by IITs and IISc, Bangalore on behalf of MHRD, GoI.

Visit the official website at https://www.iitbbs.ac.in/admission-msc.php to know more details regarding this,

the eligibility criteria for the same is passed bachelor's degree from a recognize university having studied mathematics and physics along with anyone amongst geology/statistics/chemistry/computer science/computer application securing 55% aggregate for UR/OBC anf there is relaxation of 5% for SC/ST/PWD.

hence, if you fulfill the eligibility criteria that is in your BSc Geology you had studied mathematics, and physics with the required aggregate as per your respective category then you are eligible to appear for IIT JAM, visit our page at https://university.careers360.com/articles/jam-eligibility-criteria to know more details for the same.