Hi Abhinanda
Masters of science in wildlife sciences is a 2yr duration course .
The eligibility for the same is :
You must have a BSC degree from any registered university in the following subjects like veterinary, forestry, agriculture and environmental sciences in science stream.

I have I friend pursuing this course so I talked to him and he told me  that its a very basic exam. It  Covers ecology, forestry and few questions from stats and probaibility as well as english .

The test will have 30 marks multiple choice questions on General Awareness including Current affairs, Quantitative Skills, Geology, Geography, Sociology, Economics and Engineering 40 marks multiple choice questions in wildlife sciences including natural history, biogeography, ecology, genetics, vegetation science, population ecology, habitat ecology, behavioural ecology, conservation biology, wildlife health 30 marks essay questions covering conservation issues

I hope I was helpful