What is differences between Indian classical music and semi-classical music? And also between their specific genres?

Indian classical music will follow strict rules of raga , classical genres includes bada khayal, chota khayal, taraana, drupad, dhamaara etc. But in semiclassical music it focusses more on lyrics and beautifying the music by use of mixture of ragas, it may not follow strict rules of raga. For semiclassical classical music is the base (or mother) read less