New Delhi, March 25 -- Defence minister Rajnath Singh on Tuesday asked the military brass to draw "operational and technological" lessons from the ongoing US-Israel war with Iran to bolster India's defence preparedness - the directive came during a wide-ranging review of the West Asia crisis, which has disrupted global supply chains, sparked a surge in oil and gas prices, and rattled the global economy. "We need to formalise a comprehensive integrated roadmap for the next decade factoring in the lessons learnt, challenges and opportunities going forward whilst ensuring Atmanirbharta (self-reliance) and operational readiness across all fronts," Singh said at meeting attended by chief of defence staff, 3 service chiefs, defence secretary and others. P4...