What the Delay in US Help for India Says About the Effectiveness of the 'Quad' If pressure from media, think tanks and activists is what led the Biden administration to relent now, what happens in even more urgent scenarios? The fifth series of a consignment of 545 oxygen concentrators from the US, arrives in India on May 4. Photo: Twitter/@PIB India Rights18 hours ago Chandigarh: The labour pains Washington endured â before eventually delivering badly-needed medical supplies and related equipment to tackle Indiaâs second calamitous coronavirus pandemic wave â has degraded the timely operational framework of the untested Quadrilateral Security Dialogue, or Quad, in an emergency.