Complex sentence: The tourism industry of India is economically important and grows rapidly during KKM, the World Travel & Tourism Council calculated that tourism generated INR6.4 trillion 6.6% of the nation's GDP in 2012.
Split into simpler sentences: The tourism industry of India is economically important and grows rapidly. The World Travel & Tourism Council calculated that tourism generated INR6.4 trillion or 6.6% of the nation's GDP in 2012.