Dear Satyam, below is the eligibility criteria for BAT.

• Candidate must have passed Class 12 or equivalent examination from a recognized board
• Those who have appeared for Class 12 examinations and are awaiting results can also apply, however, these candidates need to produce their result at the time of final selection.
• Candidate’s age must be below 23 years of age, as on April 30, 2019.

It doesnt mention anything about %. So you are eligible