LUCKNOW, April 11 -- Defence minister Rajnath Singh and chief minister Yogi Adityanath on Saturday inaugurated a laser, light and sound show at Smritika War Memorial in Lucknow Cantonment, aimed at showcasing the Indian Army's history and valour through advanced audio-visual technology.

Speaking on the occasion, Singh said, "National security, an indispensable pillar of India's journey towards Viksit Bharat, is the collective duty of every citizen, and not the sole responsibility of the defence forces."

He asserted that while soldiers remain the first line of defence, the strength of national security is equally determined through unity, discipline and awareness among the people.

The 30-minute Hindi multimedia show presents key milesto...