The correct options are
A William Bentinck banning Sati - 1829
C Widow Remarriage Act - 1856
D First school for 'untouchables' - 1852
The Governor-General William Bentinck abolished the practice of Sati in 1829.
Widows Remarriage Act was passed in 1856.
Jyotiba Phule opened the first school for 'untouchables' in 1852 in Pune.
The First Consent Act was passed in 1860 and the minimum age of marriage was initially fixed at 10 in 1860. This which was subsequently raised to 14 in 1925.