Dear Suryansh,

To apply for TISSNET, you should have succesfully completed your Bachelor's degree of minimum 3 years of duration,. Certain Masters programmes have special eligibility criteria that you need to fulfil. In your case that you have Physics and Geology as subjects in your Bachelor's degree, you are eligible

Yes you are eligible if you have Geology and PCM subjects in UG degree and have minimum 50%aggregate marks in Be/Btech of all semester from recognised University.

Entire eligibility criteria shared below. 

https://www.careers360.com/university/dr-harisingh-gour-vishwavidyalaya-sagar/mtech-applied-geology-course

You can give free online nock test of IIT JAMs on our website and link for the same shared below for each subject. 

https://university.careers360.com/articles/jam-mock-test

Students can get entire test pack purchased in aryan Academy Coaching classes website and appear for as manymocks as they can. 

You can GET THE Question paper for Geology and Geophysics for the year 2018 at the following link:

https://drive.google.com/file/d/1VEG3XgDNwcTBBiKgDbsaPu2_lR2lQkbX/view

You can also get paper for year 2017, 2016 at the below link:

http://gate.iitm.ac.in/Previousqp18

This links are from the official website of GATE 2018.

Admission to IIT Bhubaneswar is through IIT JAM entrance exam and students must be either from BTech/BE/Bsc fields from recognised University with minimum 50%aggregate marks in graduation.

Also must have Geology and Mathematics as compulsory subjects in graduation. 

Placements are top class with Mining firms like Vedanta, Tata steel, JSW,

Entrance exam syllabus and sample papers for BHu PET shared below for reference. 

https://www.google.co.in/amp/s/university.careers360.com/articles/bhu-pet-exam-pattern

https://university.careers360.com/tags/syllabus-of-bhu-pet

https://university.careers360.com/articles/bhu-pet-sample-papers

Total Seats in BHU for M Sc is 43.

Eligibility Criterion is BSc with minimum 50%. Mandatory Course: B.Sc. Candidate must have completed B.Sc. (Hons.)/ B. Sc. with the required percentage aggregate in science subjects (considering all the three years of B.Sc. Course) and Geology must be Hons. the subject

there are several career course options

such as Palentologist, profession in education , and various courses apart from this

Geological Survey of India and the Central Ground Water Board select geologists through an examination conducted by the Union Public Service Commission (UPSC)

ONGC holds annually a written examination in two

The  entrance  test  will  be  conducted  by  the  Faculty  of  Science  for  admission  to  the  course for MSC in petroleum geology. The Syllabus for the entrance test shall be of Graduate level Geology as main subject and Physics and  Chemistry  as  subsidiary  subjects.
The  admissions  will  be  given  entirely  on