Why are auto, taxi drivers on a strike in Delhi-NCR?

Auto-taxi unions in Delhi-NCR are protesting against app-based cab services like Ola and Uber, stating they have impacted their earnings. They are demanding the government's intervention to regulate the app-based cab services and ensure fair compensation for auto-taxi drivers. A union said the government was involved in a "game of donations" with these companies and demanded "an end to it".