Peter, who has entered into the event on invitation, had to shoot in the qualification round today, as his rifle was held back by customs in Mumbai.
However, he was on target and finished with a score of 207, far ahead of Maharashtra's Rupvikas Ghag who clinched silver with a score of 202.1. The bronze went to Ekambir Mandi, who scored 181.6.
Amanpreet Singh of ONGC saw off the challenge from former Commonwealth Games gold medallist Samaresh Jung to win the gold in men's 10m Air Pistol event.
In the Surendra Singh national school shooting championship, Tamil Nadu's B S Mithesh clinched the gold in Air Rifle event.
Maharashtra's Kaushal Mahadik and Ashay Bhave won the silver and bronze medals respectively.
In the girls air rifle event, Delhi's Aditi Singh clinched the gold, while Rajasthan duo of Rashmi Takhar and Geetakshi Dixit won silver and bronze respectively.
Boys' Air Pistol gold went to Visha of UP with West Bengal's Arjun Das winning silver, and UP's Rohan Dev Singh bagging the bronze.
