Finbox, a Bengaluru-based B2B SaaS start-up has raised $15 million in a funding round. The round was led by A91 Partners with participation from Aditya Birla Ventures, Flipkart Ventures, along with existing investor Arali Ventures. The company plans to use the funds to expand to the Southeast Asian market and scale up operations and offerings. In addition to its expansion goals, FinBox also aims to quadruple its current workforce.