Prime Minister Narendra Modi met National Security Advisor Ajit Doval, Union Home Minister Amit Shah and Defence Minister Rajnath Singh today for a briefing on the unprecedented drone attack at the Jammu air base on Sunday, and the events that followed, sources indicated. "Discussions were held on futuristic challenges in the defence sector and equipping our forces with modern equipment," sources in the government told NDTV. "Aspects relating to involving more youth, start-ups and strategic community were discussed," they added after the two-hour meeting.