CCPA issued a notice to Uber over its 'advance tip' feature for faster ride confirmations and pickups, flagged as unfair trade practice.Union Minister Pralhad Joshi raised concerns about users being nudged to pay tips in advance, leading to the notice by CCPA.Uber's 'advance tip' allows users to add tips before the ride for quicker service, while the government plans to launch 'Sahkar Taxi' to compete.To address unfair practices, policies like the Maharashtra GR on Aggregator Cabs limit surge pricing and offer refunds for ride cancellations.