Kumar had produced a throw of 19.91m to finish third after Piotr Kosewicz (20.02m) of Poland and Velimir Sandor (19.98m) of Croatia.
"I don’t want to sit and think all day about the medal that slipped from my hands," Vinod Kumar says.
Vinod Kumar's results have been marked as void by the technical committee.
Bhavinaben Patel took the silver medal after losing in women's table tennis (Class 4) final.
If the report turns out to be true, Vinod's medical classification will be reviewed and his medal will be withheld until he gets a favourable verdict.
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