Mariya scored the goals in the 7th, 33rd, 45+1st and 65th minute of the match at the Raia Panchyat ground.
Anushka Samuel, an international player, scored in the 25th and 85th minute.
With Chetna Dhadwal scoring a solitary goal in the 40th min, Delhi had a commanding lead of 5-0 at the half-way mark.
Mizoram 's B Vanlalhriattiti scored in the 50th minute but with Mariya again scoring in the 65th minute, Delhi extended the lead to 6-1.
With Lalchhanhimi striking, Mizoram scored another goal in the 85th minute taking the score line to 6-4.
However, Delhi scored in the 87th minutes with Anushka Samuel finding the net and a comfortable win.