New Delhi, March 9 -- Even as her batchmates were celebrating campus placements and job offers, Vrinda Singhal was working overtime figuring out the basics of running a start-up. Through entrepreneurs in her family, she was aware that the time ahead would be full of ups and downs.

"The risk was worth it because I knew that the guilt of passing the opportunity was going to far outweigh the guilt of failing. That was the way I looked at it-a learning curve as opposed to a gamble," says Bengaluru-based Singhal, 28, co-founder of Swizzle, a clean-label, ready-to-drink mocktail brand.

While studying the market, Singhal realised that most drinks were "either overly sugary or positioned too seriously as health products". Swizzle started out wi...