hey,

sorry to say that but you are not eligible for BS.c mathematics as the basic eligibility criteria to admission for the course BS.c mathematics is candidate must have done their 10+2 from recognized board with science stream subjects having physics, chemistry and mathematics and candidate must have secured a minimum aggregate of 50 percent marks in their 10+2

to be eligible you need to pass in all three main subjects that are physics, chemistry and mathematics

all the best!