Falcon already delivered DSCOVR to Sun-Earth L1, while PSLV only flew MOM to a highly elliptical Earth orbit and MOM had to use its own propulsion for TMI.
Wait till PSLV delivers Aditya-1[1][2] to L1.
[1] http://www.isro.gov.in/aditya-l1-first-indian-mission-to-stu...
My point stands: SpaceX needs to get to Mars once before we can start calling them serious interplanetary contenders.