M.A Geography

Yes, I think you are eligible because JNU conducts the admission through entrance mode:
Further details you can get from below given link:
https://www.shiksha.com/humanities-social-sciences/geography/course/m-a-in-geography-jawaharlal-nehru-university-mehrauli-delhi-268822
Its syllabus is almost same as that of undergraduate (honours) in geography. Just go through its syllabus which is available there on internet. Go through the question papers of past years to get an idea what kind of questions will be asked and then start preparing accordingly.
Entrance test consists of 100 marks. 60+40. Where 60 marks are for objective questions of one mark each. Subjective questions are of 40 marks. Practice maps and diagrams to score well.
Hope this helps.

Eligibility criteria for MA Geography is graduation in any discipline with a minimum of 50%. So, you are eligible for the course.
Procedure for admission to the course varies from institute to institute. Aspiring candidates have the option of applying through any of online and offline modes. Some institutes conduct their own entrance exams for admission. There are some institutes which offer direct admission on the basis of the candidate's merit, based on which a cut-off list is prepared for prospective finalists.
Best colleges are Delhi University, Pune University, Lovely Professional University Punjab, VIT University Tamilnadu, Jamia Millia Islamia University, Christ University, Ramaiah University, Jawaharlal Nehru University, Jamia Hamdard University, University of Mumbai, University of Hyderabad, Aligarh Muslim University, Anna University, and Maharaj Sayajirao University.