Many things are impacting Tiger population. They are:
Hunting is the bigger problem. Ancient Chinese Medicine believes that Tigers body parts have medicinal properties. Because of this Tigers were killed extensively and indiscriminately. Because of this, they were pushed to near extinction. India, China and all neighboring countries where the Bengal Tiger lives have banned hunting and so, the tiger population is slowly recovering
Us humans are a threat to Bengal tigers
the Bengal tigers enimies are the humans because they poach them
Bengal tigers have no natural predators. Their biggest threat is humans.
The Bengal Tigers asked the same question : Why do we need humans?
Bengal tigers have no natural wild predators.
Bengal tigers will act aggressively towards humans. A person should never attempt to approach a Bengal tiger in the wild.
Humans
at the moment the only predators of the Bengal tigers are humans
humans hunt tigers for alternative medicines and their pelts
Bengal tigers were over hunted, and their habitat has been encroached upon by humans.
Humans are the only threat to tigers, and white tigers are only a very rare color morph of the Bengal.
No, Bengal tigers are not cannibals.