Thanks a lot guys for participate in this game. It is fun right. The answer that given by all of you is almost correct.
This is the Sambar Deer (Cervus unicolor) in captivity. It is very tame because they rear it since it was very young, about three weeks after birth. This female Sambar is pregnant and i think by now she alreday delivered a baby Sambar.
For further reading, some information can be get from Wikipedia.