Bala Devi netted twice early in the first half to give Manipur a 2-0 advantage. Tababi Devi increased the lead quickly. She scored again soon after the break and Bembem Devi completed the tally in the 63rd minute.
In the other match, West Bengal scripted a comfortable 4-1 win over Punjab.
Pampa Sarkar and Sujitha Kar (two) gave Bengal a 3-0 lead by half-time.
Amanjat Kaur pulled one back for Punjab off a penalty kick. But Shilpi Deb’s goal in the 52nd minute ensured victory for Bengal.