The correct answer is: a) 1846.
Orunodoi was the first Assamese language newspaper. It was published from Jorhat, Assam, India. The first issue was published on 15 August 1846. The founder and editor of Orunodoi was Chandra Kumar Agarwala. Orunodoi was a weekly newspaper. It was published every Saturday. The newspaper was printed in Bengali script. Orunodoi was a very popular newspaper. It was read by people all over Assam. The newspaper played a very important role in the development of Assamese language and literature.
Option b) 1880 is incorrect. The first Assamese newspaper, Orunodoi, was published in 1846, not 1880.
Option c) 1917 is incorrect. The first Assamese newspaper, Orunodoi, was published in 1846, not 1917.
Option d) 1935 is incorrect. The first Assamese newspaper, Orunodoi, was published in 1846, not 1935.