Nice! Wanted to try something similar for a while using SDR to capture FM radio and start switching radio stations when the radio jockey starts speaking i.e. automatically switch stations when songs are not playing. The Radio jockeys here (India) have started promoting ads as part of their regular content without any disclaimers or mentions that it is a promotion. e.g. They just say, 'you should put your child in thi…
Since you're in India, I wonder how economical it would be to hire a telemarketing company to do this for you.