Which among the following region is an orchid rich forest found in Odisha?

Odisha, as the Indian subcontinent's coastline state, has a rich medicinal plant diversity in general, and orchids in particular. Odisha's virgin forests, which can be found in places like the Gandhamardan Hills, Niyamagiri Hills, Deomali Hills, Mahendragiri Hills, and Similipal Biosphere Reserve, are home to a rich orchid diversity that thrives in the state's lush vegetation.