"The people who are against the wishes of the Gorkhas must stay guarded," says a poster.
"Why the Gorkha soldier statue atop Gorkha Ranga Manch Bhawan was removed," said another.
The third poster questioned the demolition of the Saheed Park which was built "in the memory of Gorkhas having died during GNLF movement.
Police confirmed having got news about such posters appearing in the Hills.