Tarang Vaish (Class of 2005, CTO and co-founder, Granica) and Alexander Seelam (Class of 2025, 2une at Physics Wallah) on what they built at IIT Guwahati, how they recovered after setbacks, and what they’d tell students starting out. When Alexander Seelam went looking for the first customers of his startup, twenty prospects turned him away. He didn’t read the refusals as a verdict on himself or his product. “My timing was bad,” he told himself. He kept going, and the twenty-f