MUMBAI, July 26 -- Passengers relying on app-based cab services like Uber and Ola may soon face longer wait times, cancelled bookings, and a sharp dip in cab availability as drivers step up their protest over pending fare revisions and policy implementation. With negotiations between aggregator driver unions and the state government deadlocked, drivers have begun logging out of the apps and operating offline. Many are cancelling bookings after calling passengers and offering to complete the trip privately-without routing it through the aggregator platforms. "We're not going off the roads. But we will now choose which trips to accept through the app, cancel others, and drive offline," said Prashant Sawardekar of the Indian Federation of App-based Transport Workers (IFAT). "This will continue until the state government implements the aggregator policy and revises fares." The unions are demanding a base fare of Rs.48-on par with Cool Cabs-and want fares raised from Rs.16/km to Rs.24/km in Mumbai. While Uber said the fare hike could burden commuters, Ola has remained silent. An interim Bombay High Court order has barred protestors from obstructing services, but drivers say they are not on strike-only shifting offline to reclaim control over earnings....