The Rajiv Gandhi University (formerly Arunachal University) is the premier university in Arunachal Pradesh located in:

Itanagar
Pasighat
Tawang
Ziro

The correct answer is: a) Itanagar.

Rajiv Gandhi University (formerly Arunachal University) is a public university located in Itanagar, Arunachal Pradesh, India. It was established in 1984 by the Government of Arunachal Pradesh. The university offers undergraduate, postgraduate and doctoral programs in a variety of disciplines.

The university has a sprawling campus spread over 1,000 acres. The campus is well-equipped with modern facilities, including a library, a sports complex, a hostel and a guest house. The university also has a number of research centers and institutes.

Rajiv Gandhi University is a premier university in Arunachal Pradesh. It is one of the most sought-after universities in the state. The university has a good reputation for its academic programs and research. It is also known for its vibrant student life.

The other options are incorrect because:

  • Pasighat is a town in East Siang district of Arunachal Pradesh. It is the headquarters of East Siang district.
  • Tawang is a town in Tawang district of Arunachal Pradesh. It is the headquarters of Tawang district.
  • Ziro is a town in Lower Subansiri district of Arunachal Pradesh. It is the headquarters of Lower Subansiri district.