Dear

You may consider these options for further education

Microbiology
Stem cell research
Wildlife science
Forestry
Forensic science
Public health
Virology and immunology
Environmental science
Genetic science

All the best

After you do bsc in zoology you can pursue Msc in one of the following courses mentioned below (which comes under zoology)

Arachnology
Entomology
Arthropodology
Apiology
Cetology
Anthrozoology
Conchology
Ethology
Helminthology
Mammalogy
Neuroethology
Myrmecology
Nematology
Ornithology
Paleozoology
There are many lucrative job opportunities that will come your way, but most of them will be offered once you have some substantial experience. Although the salary mostly depends on the field you choose to specialize in but in the beginning most places will offer you somewhere between Rs 15,000 - Rs 25,000 initially.

Hope this helps.