Sania Mirza and Elena Vesnina have reached the women's doubles semi-finals of the French Open Tennis Championships. In Paris today, the seventh-seeded Indo-Russian pair defeated the top-seeded duo of Gisela Dulko of Argentina and Flavia Pennetta of Italy in straight sets 6-0, 7-5.For Sania Mirza, it is her first ever French Open semi-finals.