Earlier quoted context omitted.
India is heavily invested in protectionism, that's the primary issue, the exemption is in place because it was clear no one was going to make smart phones there.
Well, given Micromax exists and has manufacturing (and HQ) in India, now Indian government can say that smartphones are not cutting-edge high-tech per se.
Not sure whether this is relevant because I'm not sure exactly what counts towards the "30%" figure.