She beat Korea's Lee Sung Jin by six set points to four in the final of the Stage 2 of the championship.
According to information received here, teenager Deepika won the second set (29-27), third (27-26) and the fifth (28-27) while losing the first (27-30) and the fourth (27-29).
Deepika, who has already qualified for London Olympics, is the current junior world champion and a gold medallist at the Delhi Commonwealth Games. She had also won the Cadet World Title in 2009.
Archery Association of India chief and Indian Olympic Association acting president Vijay Kumar Malhotra congratulated Deepika on her win today.
“Beating a Korea in the final is a great achievement. It's another feather in her cap. I hope she does well in the Olympics,” Malhotra told PTI.