I have using ola cabs app from 1 year.the prices of ola cab good and cheep at starting days and have many promocods to drive.presently the is no promo codes and prices are also high to travel.peak time we didnot get the cabs even if we get one prices are too much.sometimes drivers are not respond well I have on situation like this I have booked a cab but he went to some where not even notified me about that later he he said he has oher drive to airport.some times there is no cabs also.