Hey Laxmipriya,
Firstly, University of Delhi give B.Sc in Botany, Zoology, Biochemistry, Microbiology, Home Sciences, Food Technology, Physical Science, Chemistry and etc. They don't have plain B.Sc for Biology.
Secondly, I'm sorry to say but you won't make to University of Delhi because the cut offs of B.Sc Programs are generally high. More than 90%. With 62% you might get the evenings batch colleges but it's not sure as well.
Still you don't lose hope, apply for it. The forms will be out soon. You'll get it in the official website "du.ac.in" wait for the cut offs and see if you can make it to any.
I hope this helps you, good luck!
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