“Ideas shape the course of history,” said the renowned economist John Maynard Keynes. Start-ups are steadily building on Keynes’ idea to make their mark in India’s economic space. But, things may not be as rosy as they may sound owing to technical difficulties and mounting real estate prices. The enterprising trio Amit Kumar, Manju Bala and Vineet Goyal are looking to tap this problem with their start-up SeatingHub.