Unbox Robotics has raised $28 million in a round led by ICICI Venture, with participation from RedStart Labs, a subsidiary of InfoEdge, F-Prime, 3one4 Capital, Navam Capital, Force Ventures and existing investors, ET has learnt. The round, which includes a mix of primary and secondary capital, will be used to grow its engineering team, accelerate product development and expand market presence across India and other countries.