Tango Eye, a Chennai-based AI video analytics startup that converts CCTV data into actionable insights, has raised an undisclosed amount of seed funding led by Delhi-based eyewear retailer Lenskart, which entered the elite unicorn club last year. Silicon Valley-based seed fund RiSo capital and angel investor Gaurav Gulati, Co-founder, Innov8 (acquired by Oyo) also participated in the round. In a release, Tango Eye said that this investment will enable Lenskart to enhance customer experience, security and safety protocols in stores, and merchandising placement, among others.