Uber India — overcharged ride

Today morning i have booked uber pool around 8 am. While booking it's shows rs 89. I was waited for driver more than half n hr. At last he reached. After arriving my place the ride and show rs 173. How it's possible. I want my balance amount. U can see my trip history. Max i wl go less than rs100. This time they have more than i expect. I need my mny.