Hello Aspirant !

Following are the courses offered for generic elective in Zoology.

1. Food, Nutrition and Health (Consists of 5 units and practical)
2. Biotechnology (Microbes to animals) (Consists of 5 units and practical)
3. Biotechniques  (Consists of 5 units and practical)
4. Bioinstrumentation  (Consists of 5 units and practical)

If you want any further elaboration of what is covered in these particular courses and guidance on books for these courses you can comment in comment section or can post another question.

Hope it helps!

All the best for your career