Wow. A few days ago, you posted a discovery of a new African baboon like primate. And india is a crowded country of a billion, and they are still
discovering new critters. like this monkey.
See, we dont know everything yet!

A species of monkey unknown to science has been photographed in India by an international team of researchers.
The monkey, a member of the macaque family, was sighted in the state of Arunachal Pradesh, which lies in the country's remote north-eastern region.
Named the Arunachal macaque, the new monkey is a comparatively large brown primate with a relatively short tail.
The scientists say they are surprised to have found a hitherto unknown large mammal in such a populous country.