Mumbai, Sept. 12 -- Diya Chitale of Mumbai stamped her authority to win the women's singles title at the UTT National Ranking Table Tennis Championship in New Delhi on Thursday. Representing Reserve Bank of India, reigning national champion Chitale beat RSPB's Sutirtha Mukherjee 11-9, 11-7, 11-9, 11-6 for the title In the men's singles event, former national champion G Sathiyan of PSPB scored a 11-5, 11-8, 11-13, 11-7, 11-9 win over Ankur Bhattacharjee of West Bengal in the final....