Y Sanathoi Devi and Pooja Kadian have assured India of at least two silver medals in the 13th World Wushu Championships being held at Jakarta as they entered finals of their respective weight categories.In the semi finals, Asian Games bronze-medalist Sanathoi defeated South Korea's Hyebin Kim in straight rounds of below 52 kg while Pooja beat Sherouk Mansour of Egypt in straight rounds in 75 kg weight category.The two Indians face Chinese opponents in the finals today. Sanathoi will be taking on World champion Lunn Zhang and Pooja will fight against Yuan Li. Besides Sanathoi and Pooja, two others — Surya Bhanu Pratap Singh and Uchit Sharma — will feature in semifinals today.