Dear Ankesh, for being eligible for LLB in IIT Kharagpur, you should have a

• First Class Bachelor's degree in Engineering/Technology/Medicine or equivalent.
• or First Class Masters degree in Science/Pharmacy or equivalent
  
• or First Class MBA degree with any one of the above qualifications.

So with your B.A in Geography, if you have scored First Class marks, you are eligible for applying in IIT Kharagpur for admission in LLB. You can find more details and application form on their webpage at http://www.iitkgp.ac.in/law