Top seeds Sania and Swiss legend Martina downed 16th seeded Spanish team of Anabel Medina Garrigues and Arantxa Parra Santonja 6-4 6-3 in just 66 minutes.
Sania and Hingis broke their rivals twice in the opening set and three times in the second set. They lost serve once in the opening set and twice in the second.
India's Rohan Bopanna and Leander Paes are also in action today in the men's doubles.
Ninth seeded Indo-Romanian pair of Bopanna and Mergea are up against Lukasz Kubot from Poland and Max Mirnyi from Belarus.
In the boys singles, Sumit Nagal will open his campaign against Juan Pablo Ficovich from Argentina.