Uber India — over

I travelled on 11 june 2018, from t3 to barakhamba road, i booked the trip through my mobile app, i paid 540/- for the ride, i feel some confusion made by driver, he saying his gps not working, i feel he charged more from me, one day before my friend taken uber from t2 to vaishali, and he paid only 480/- up to vaishali, my registerd mob no is [protected], hope you look in to the matter