NAGPUR, June 20 -- Global conflicts such as the recent US-Iran war serve as a stark reminder of how vulnerable international supply chains can become during times of crisis, defence minister Rajnath Singh said on Friday, asserting that only nations that are self-reliant in defence and security can safeguard their interests. Speaking after the 'bhoomi pujan' for a state-of-the-art 10,000-tonne aluminium extrusion press at the Ordnance Factory Ambajhari in Nagpur, Singh said India has made significant strides towards self-reliance in the defence sector. "A nation capable of meeting its own requirements moves forward with the greatest confidence towards safeguarding its interests," he said. "When wars break out, the entire supply system gets i...