Nexus Venture Partners to invest Rs 125 crore in Rapido ahead of its food delivery launch.Rapido plans to challenge Zomato and Swiggy in the food delivery sector with lower commission rates for restaurants.Rapido raised $200 million last year with funding from WestBridge Capital and Dutch investor Prosus.Rapido is expanding into insurance distribution and maintaining market share with millions of daily orders in multiple transport segments.