For taking RBI Grade B exam you should have either A First Class Bachelor’s Degree with a minimum of 60% marks or an equivalent grade OR A Second Class Master’s Degree with a minimum of 55% marks or an equivalent grade OR A Doctorate Degree with 50% marks in Master's Degree or equivalent grade OR
Chartered/Cost Accountant/Company Secretary (ACS) with a Bachelor's Degree OR A Post Graduate Diploma in Management (from IIM only) and should be between the age group of 21 years and and 30 years. However if you possess M.Phil. /Ph.D. qualification, upper age limit will be 31 years and 33 years respectively.