Happiest Minds, which currently has 45 clients in the US, the UK, India and Southeast Asia, including five Fortune 500 companies, also said it planned to touch $100 million in revenue by the time of its IPO. Bangalore-based Happiest Minds, which focuses primarily on areas such as social media, analytics and mobility, was launched in 2011 and managed to raise $45 million within a year from Canaan Partners, Intel Capital and some of its founders.