Bakhtiar lifted 191kg in the Men's -59 kg and won the silver medal and his countryman Yousefi also won a bronze with 181kg.
Chinese powerlifter Yongkai Qi snatched the gold with 194kg.
As the Asian Para Games returns to China for the second time following Guangzhou in 2010, nearly 3,100 athletes from 44 countries and regions are taking part across 22 sports and 564 events at the Hangzhou Asian Para Games, which runs through Oct 28.