Cost of any procedure be it normal delivery or lscs (operation delivery) may vary depending on your choice of hospital, room, complication during pregnancy/delivery. Etc.
In government set up its usually free or minimal fee like 500 rs.
It private set up it may range from 10000 to 300000
method of delivery will be decided by your gynaecologist depending on baby and mothers condition. Delivery by operation is done only when there is risk to mother or child if normal delivery is conducted.