NATA is the most popular entrance exam for admission to B arch program. To be eligible to apply nata exam , it clearly mentions , candidates must have a minimum of 50% aggregate in class 12th with physics, chemistry and mathematics and also at least 50% marks in 10 + 2 examination or passed 10+3 diploma education with mathematics with atleast 50% aggregate.

So, you can apply for nata exam as you have maths as a compulsory subject along with commerce.

For more details about nata exam eligibility, you can visit career 360 website

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