Colleges in Aligarh

60-70% of marks in undergraduate are necessary for admission into msc physics at dahrmasamaj degree College

About 50% marks in 10+2 along with PCMB, or PCB as main subjects is the criteria for taking admission in AMU. From the Entrance Exam point of view, the Supplement -M of Guide for information is updated and necessary information in detail is present on the AMU official site.

That depends on whether you are an External or an Internal candidate.
If you are an Internal candidate, then surely 80 would be more than sufficient to get you into any branch of your choice. I mean, most probably it would!
But if you are an External, then at 80, you most probably would get selected. Though you might not get into the branch of your preference.

Yes, only B.Com (Hons) with a minimum aggregate of 55% is considered for M.Com.

The cutoff information for B.com at Aligarh Muslim University is requiring -
Unreserved/ General Category - 75-80 marks
Reserved Category - 70-75 marks
External students - Above 70
Internal students - Above 60

In the AMU B.Sc. Exam, there will be 70 objective questions with 140 marks and only 10 short answer questions with 60 marks
English 25 questions 25 marks
Chemistry25 questions 25 marks
Physics25 questions 25 marks
Mathematics (Optional)25 questions 25 marks
Biology (Optional)25 questions 25 marks
Total100 questions 100 marks
syllabus 10+2 Physics Chemistry math, general English.

Closing cutt off for last year was around 503 .

Aligarh Muslim University
Public university in Aligarh Uttar Pradesh
Aligarh Muslim University abbreviated as AMU is a public central university in Aligarh Uttar Pradesh India which was originally established by Sir Syed Ahmad Khan as the Muhammadan Anglo Oriental College in 1875
Fees of urdu is approximately around 20 k per annum

It will cost you around 4 Lacs to 5 Lacs to complete your fill degree for BCA in Gagan College of Aligarh. Although it seems little costly but its a very good college specially for pursuing BCA degree.