In India, the population policy was announced in which of the following year?
1. To raise the age of marriage for girls to 18 years and for boys to 21 years.
2. To take special measures to raise the level of female education in all States;
3. Raising the monetary incentive to persons undergoing sterilisation according to the number of children in the family; and
4. Additional incentives to government employees undergoing sterilisation, having upto two children. Hence option B is correct.