In the below sequence of reaction X and Y are respectively

Question

$\begin{array}{1 1}(a)\;H_2/Pt.Br_2&(b)\;KMnO_4.H_2/Pt\\(c)\;KMnO_4(aq).HI/P&(d)\;NH_2-NH_2/KOH.HI/P\end{array}$