Consider the following statements:

1. Karsondas Mulji started Satya Prakash in 1852 to advocate widow remarriage.

2. Age of consent Act came in 1891 which forbade the marriage of girls below age of 12.

3. Sarda Act and the Child Marriage Restraint Act further increased the marriageable age to 18 and 16 years for boys and girls respectively.

4. Bethune school was a fruit of powerful women’s education movement.

Which of the above statement is/are correct ?