Two important rivers one with its source in Jharkhand (and known by a different name in Odisha), and another, with its source in Odisha merge at a place only a short distance from the coast of Bay of Bengal before flowing into the sea. This is an important site of wildlife and biodiversity and a protected area. Which one of the following could be this?

1. The description refers to two major rivers merging near the coast of the Bay of Bengal in Odisha. 2. The river with its source in Jharkhand (Chota Nagpur Plateau, as South Koel) which joins the Sankh river to become the Brahmani river in Odisha. 3. The other river with its source in Odisha is the Baitarani river. 4. These two rivers, Brahmani and Baitarani, merge and form a large delta before flowing into the Bay of Bengal near Dhamra. 5. This area is home to the Bhitarkanika National Park/Wildlife Sanctuary, a designated protected area famous for its mangrove ecosystem, wildlife (especially saltwater crocodiles), and high biodiversity. 6. Chandipur-on-sea and Gopalpur-on-sea are coastal towns but not primarily defined by this river confluence and associated protected area. Simlipal is a national park located inland in Odisha, not near this coastal confluence.