SwitchOn, an artificial intelligence-enabled vision inspection system for manufacturing companies, announced it has raised $4.2 million in a funding round, led by a Singapore-based fund, according to ETtech report. The Bengaluru-based software-as-a-service (SaaS) company declined to share the name of the fund. Other funds—Axilor Ventures and Pi Ventures—and angel investors—Alstrut India managing director Anuj Bihani…