This percentage is easily controllable by penalties to such parents and by children's rights. But rural poverty, lack of employment or partial employment and illiteracy has given birth to majority of child labour problems. The system of child labour prevails in countries, which are poor or underdeveloped. The governments in Asia should boldly make decisions to control excessive growth of population even if it means taking harsh decisions. This can be achieved by announcing incentives and disincentives.
Illiterates have their reasons - religion is one of the big factors that illiterates misunderstand.
Religious leaders can be taken into confidence, for this would definitely spell partial success. Second reason being that 'more the children, more the income'. This perception is definitely wrong and dangerous. We have to put an end to it. Entitlement of government positions and promotions depending on the size of the family.