New Delhi, Dec. 5 -- Prime Minister Narendra Modi and Russian President Vladimir Putin Friday concluded their 23rd Annual Summit, signaling a robust and "time-tested" commitment by unveiling a long-term roadmap for economic cooperation.

The two leaders agreed on a "Special and Privileged Strategic Partnership" with a unified front on critical global challenges, including terrorism and energy security.

The central focus of the summit was boosting bilateral trade and investment, which Prime Minister Modi called essential for shared prosperity.

The two nations formally adopted a declaration for the Development of Strategic Areas of India-Russia Economic Cooperation until 2030, which will guide future projects in technology, defense, and civ...