The average cost of educating a student in private school is Rs. 5,961 and the accounting costs in government schools are Rs. 14,615, while achieving lower learning. Taking learning into account suggests the excess cost of achieving the existing private learning outcomes at public sector costs are Rs. 232,000 crores or nearly US$50 billion.

http://www.cgdev.org/publication/value-subtraction-public-sector-production-accounting-versus-economic-cost-primary