Hello,
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There are only 60 seats in Aligarh Muslim university for BSC biochemistry Hons stream.
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Admission will be based on the entrance test conducted by college.
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And Eligiblity is, candidate must secure minimum of 55% in PCM/PCB and English as a mandatory subject.

B.sc biochemistry is a three years undergraduate course offered by Aligarh Muslim University. There are 60 seats available for this course. Total course fee is around 2.7 lakhs. Almost 93000 in the first year, and around 89000 for each of the rest years.

http://www.careers360.com/university/aligarh-muslim-university-aligarh/bsc-biochemistry-hons-course