Vijay Kumar was a surprise silver medallist at the London 2012 Olympics.
The 31-year-old marksman said he, too, is training hard with the help of coaches to improve his performance in the 2020 Games.
London Olympics silver medallist Vijay Kumar will miss the Rio Olympics while Kynan Chenai trapped another spot for India in the Summer Games
Indians disappointed in World Cup shooting with no medals on Day 4. Gurpreet Singh's fifth position was the best effort on a low day.
Vijay Kumar shot a total of 555 points in the two qualification rounds to finish seventh and miss out on a place in the final round.
Pistol shooter Vijay Kumar previously won a silver medal at the 2012 Summer Olympics.
London Olympics silver medallist Vijay Kumar has been training under Pavel Smirnov for last six years.
Olympic silver medalist and army's ace pistol shooter Vijay Kumar, who has been promoted to the rank of Subedar major, was accorded a grand welcome on his homecoming at the Indore airport near here.