Why was association with All India Radio important for Bismillah Khan's art?

Correct answer: It took the shehnai to a wider audience

The governing idea is that a communication medium can expand the reach of an artist without changing the value of the art itself. All India Radio broadcast Bismillah Khan’s shehnai performances beyond the places where he appeared in person, allowing listeners across India to hear a classical instrument that had earlier been associated mainly with ceremonies and local performance. Therefore, option A is correct: radio gave his music a much wider audience and helped establish the shehnai as a respected concert instrument. The other options are unreasonable because radio did not stop his playing, end his practice, or make him forget Banaras; instead, it spread his musical identity while preserving his roots.