what % need in 12th std.for admission in the college?

i am student of national college doing my 11th std this year and i want to get into mithibai next year for my 12th std ............ could u pls inform me regarding how am i supposed to go about this and what will be the percentage required

respected, can u specify ur course then i will tell u 1) Fees structure 2) Course Duration 3) admission procedure 4) list if colg 5) qualification thank u