When Amrit Acharya, Srinath Ramakkrushnan, Rahul Sharma, Ankit Fatehpuria and Vishal Chaudhary founded Zetwerk—an Indian business-to-business marketplace for manufacturing items—in 2018, the idea was to fix the core pain points of the manufacturing ecosystem, such as identifying the right supplier, managing spending, tracking progress, lifecycle, etc. But the four IITians, just like the rest of the world, did not anticipate the Covid-19 pandemic.