Lenskart has raised $220 million in an investment led by Singapore's sovereign wealth fund Temasek and Falcon Edge Capital, taking its total to $315 million. Peyush Bansal-led Lenskart is now valued at $2.5 billion and will use most of the fresh funds to expand into Southeast Asia and West Asia. In the tech conversation today, Sumit Sarawgi, MD and senior partner at BCG, talks about efforts worldwide to promote 'responsible AI'