The 41-year-old athlete, who was injured during the 1971 Indo-Pakistan war, produced a best throw of 19.91m to finish third.
The PCI chief said that the recent statistics backed the Indian athletes to perform well at the Paralympic Games.
With excitement at a fever pitch, thousands of Paralympic athletes worldwide are gearing up to compete in 539 events across 22 sports.
India will be fielding its largest ever contingent this year with 54 Paralympic athletes participating across nine sporting disciplines.