Althought the food in India reflects the varied demographics and ethnic deversities the primary division in thier cuisine would be North Indian, South Indian, East Indian and West Indian cuisines.
Within these primary divisions form region wise division like chettinad, konkan, mughalai, tandoor, etc., Now is when I have to mention that there is a lot of foreign influnce in the food prepared and consumed in many regions. This influence is primarily because of the nations that ruled the country.
Let's get into each of these regions and their cuisines in detail going forward. Primary Cuisines in India are
South Indian Cuisines
North Indian Cuisines
Western Indian Cuisines
Eastern Indian Cuisines