There are engineers to record the sound for commercial music recordings, radio, television, films, advertisements, videos, websites, computer, mobile games and many more.
It is one of the major revenue production fields and the importance is also higher. The scope of sound engineering in India is limited, but it has huge potential for growth in entertainment industry.

Some of the profiles you can apply in are:
Sound Engineer
Audio Engineer
Studio Manager
Production Assistant
Assistant Engineer

and many more.

It largely depends upon your interest as well.
Good luck.