A popular magazine focusing on current affairs and cultural issues in Arunachal Pradesh is:

Himalayan Panorama
Northeast Today
Arunachal Review
Frontier Dispatch

The correct answer is: c) Arunachal Review.

Arunachal Review is a monthly magazine published in Itanagar, Arunachal Pradesh, India. It was founded in 1980 by a group of journalists and intellectuals from the state. The magazine covers a wide range of topics, including current affairs, politics, culture, and society. It is one of the most popular magazines in Arunachal Pradesh and is known for its independent and critical reporting.

Himalayan Panorama is a monthly magazine published in Guwahati, Assam, India. It was founded in 1972 and covers news and features on the Himalayas. The magazine has a circulation of over 10,000 and is available in both English and Hindi.

Northeast Today is a daily newspaper published in Guwahati, Assam, India. It was founded in 2000 and covers news and features on the Northeast India. The newspaper has a circulation of over 50,000 and is available in both English and Assamese.

Frontier Dispatch is a weekly newspaper published in Shillong, Meghalaya, India. It was founded in 1979 and covers news and features on Meghalaya and the Northeast India. The newspaper has a circulation of over 20,000 and is available in both English and Khasi.