Fish Species Discovered in Arunachal Pradesh

Current context: Zoology Researchers of the Rajiv Gandhi University (RGU) have discovered 5 new fish species across various districts of the state.

The scientific names of the newly-discovered fish species are:

• Exostoma kottelati, found in Ranga river in Lower Subansiri district
• Mystus prabini, found in Sinkin and Dibang rivers in Lower Dibang Valley district
• Physoschistura harkishorei, found in Dibang and Lohit rivers in Lower Dibang Valley district
• Garra ranganensis, found in Ranga river
• Creteuchiloglanis tawangensis, found in the Tawangchu river in Tawang district
• The water bodies in A.P. in remote areas are not easily accessible to the researchers due to a difficult terrain
• The Zoology team of RGU was led by Professor DN Das

Question: 

5 new fish species have been discovered recently by the Zoology Researchers of the Rajiv Gandhi University (RGU) in?
a. Odisha
b. Mizoram
c. Arunachal Pradesh
d. Assam