Re: school vs tuition/coaching centers
it depends where you study but the yearly cost of education [inclusive of books, food, modest lodging, transportation and average personal expenses] at any federal universities in India like AMU, U of Delhi, Banaras Hindu University ranges between:
Rs. 20,000 and Rs. 25,000
coaching at school/college level at an average coaching centre runs around**:
Rs. 3,000 to Rs. 4,000 per month for 3-5 core subjects.**