Nope! For the MSc Physics course in IIT's/NIT's/CFTI's through IIT JAM examination can only be done if you have a qualified score in Physics (PH). So with the help of Geology rank you can't opt for the course of Physics.
For more information regarding the IIT JAM, you can consider the link below:
https://university.careers360.com/exams/jam
For more information regarding the career in Geology, visit the link below:
https://www.careers360.com/courses/geology-course
I hope this helps. Have a great eve!
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