Yes, B.Sc. Zoology Hons is available in DU in many colleges including the bests like Hindu, Hansraj, Daulat Ram, Kirori Mal, Gargi College and many others. DU perhaps has one of the best faculty for Zoology across India including a strong Undergraduate Curriculum.

For more information do follow the link below

https://university.careers360.com/colleges/list-of-bsc(hons)-in-zoology-degree-colleges-in-delhi