In which year was the ‘All India Radio’ set up?

The correct answer is: B. 1927.

All India Radio (AIR) is the national public radio broadcaster of India. It is the largest radio network in the world, with over 400 stations broadcasting in 24 languages and 146 dialects. AIR was founded in 1927 as the Indian Broadcasting Company, and was renamed All India Radio in 1936.

Option A is incorrect because AIR was founded in 1927, not 1936.

Option C is incorrect because AIR was founded in 1927, not 1947.

Option D is incorrect because AIR was founded in 1927, not 1950.