Russian Olympic Committee's Sergey Malyshev took home the bronze with an effort of 196.8.
Earlier in the qualifying round, Adana progressed to the medal round in fourth place with a total of 536 while Narwal shot 533 to qualify at seventh at the Asaka Shooting Range.
The other Indian in the fray, Akash failed to make the final, finishing 27th in the qualifying round.
As the pistol is held with one hand only, athletes in SH1 category have an impairment affecting one arm and/or the legs, for example resulting from amputations or spinal cord injuries. P4 is a classification for the mixed 50m air pistol competition.
Some shooters compete in a seated position, while others take aim in a standing position as defined in the rules. PTI APA PDS PDS