What are the maximum marks for UP Board 12th exams?

Yes, maximum schools and colleges accpet online released scorecard for granting admission. However, the students are asked to produce the original marksheet as and when released officially. Students are suggested to check the institute/school/college need the original marksheet at the time of admission only or not.

3 month me clear krne hoga app mujhe sahayata kar skte ho  me to abhi padhi nhi kiya he but app mujhe Keh Skt  ho kese padhai karu jese 70 percent above ayega 

Yes you can get admission in any colleges the condition being that you need to fulfill the eligibility criteria for the college. Although different colleges have different eligibility criteria but generally the criteria is nearly 45 percent marks in 12th, 12th from a recognised board, specific subject needed in 12th to take admission in specific courses

Maa Gauri Inter College in Dharampur accepts students into classes 9 through 12 via merit-based admission.

You must submit application forms, photos, previous marks, TC, and ID proofs. 

Applicants may undergo a basic written or oral test. Strict attendance and discipline policies are enforced.

Final admission is at the principal's discretion, and seats are allotted once all requirements are satisfied.

Here is the details about the latest syllabus for UP 12th:

1) Science Core subjects :Maths, Physics, Biology, Chemistry

2)Languages: Hindi and English

3)Optional: Computer Science, Physical  Education

4) Commerce Stream core subjects names: Accountancy, Business Studies, Economics