Uber India — i paid the amount to the driver but i've been charged now for it with my next trip

I made a trip from happinest apartments avadi to my st. Peter’s university at 24.10.2016 at 10.35.. I paid in cash of rs 82 to my driver. His name is divakar. He has a maruthi susuki swift dezire. I have been charged the amount of rs 83 with my next trip. I feel it unfair. Plz help me to sort this problem. I am a regular customer o[censored]ber. Plz cancel my 82 rupees in my next trip
My account name is vesta irish
My number in using uber is [protected]