Hello Rishabh,
Haan aap firse 12th ka exam de sakte ho aur aapko saare subjects ka exam dena padega. Aur aap Biology ke saath bhi exam de sakte ho. Subjects choose karna aapki choice hai ki aapko kon konse subjects choose krna hai English,Chemistry aur physics to compulsary hote hai. choose aapko maths aur biology me karna hai.
pehle aapne maths lekr exam diye the aur is baar aap biology lekr exam dena chahte. Aap kr sakte ho aisa aap biology ko choose kar sakte ho.
hope this may help you.
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