A Defence spokesman said that a group of terrorists tried to infiltrate from across the Line of Control in Keran sector but troops foiled their bid.
According to the Kashmir Media Service, the Indian troops killed the youth during a violent military operation in the Keran area of Kupwara district.
Pakistan Sunday condemned the killing of eight youths who were protesting by-elections in Jammu and Kashmir, urging the worldwide community to act to stop crime against humanity in the disputed valley by Indian forces.
The document characterized the violence by Indian governmental forces in Jammu and Kashmir since 2016 as "crimes against humanity".
Hurriyat leader Mirwaiz Umar Farooq on Monday reiterated his appeal to the people to completely boycott the upcoming Indian parliamentary by-elections in the Kashmir valley.
The situation remains tense in the Kashmir valley a day after violence and a historic low voter turnout, at seven percent, marred by-polls in Srinagar.
Security was beefed up, with police blocking roads with barricades and restricting movement of vehicles.
Pakistan Sunday condemned the killing of three youths in Jammu and Kashmir, urging the worldwide community to act to stop Indian forces' crimes against humanity in the region.
Kashmir has been a disputed region between Pakistan and India since independence from Britain in 1947. India maintains over half a million soldiers in the region.
India accuses Pakistan of supporting separatist sentiment in Kashmir, but Islamabad denies this.