The fourth seeded Indian pair beat Gomez of Ecuador and Quintero of Colombia 6-2 6-2 in the first round of the hard court tournament.
The Indians broke Quintero's serve twice in the first set to pocket the first set.
They did not get a good start to the second set as Divij was broken in the first game and soon they were down 0-2. However, they shrugged off the adverse start and won six games on the trot to win the set and the match.
Divij and Raja won 56 points to 29 of their rivals. They await winner of the other first round match between the pairs of Vasek Pospisil/Nicholas Monroe and Fabiano De Paula/Sergio Galdos.