Ola Cabs — Charged double for toll

Address:

Mumbai City, Maharashtra, 400053

On 24th june 2016 i booked ola cab from millat nagar andheri to lower parel.
Driver took us via sea link.
Upon reaching sealink toll area he asked for 60 rupees for toll which i gave cash to him.
Then upon reaching lower parel he charged me 575 rupees.
I paid and left.
Later i got bill in my mail and was shocked to see i was charged for toll again 60 rupees.
I called shyam yadav the ola cab contact number and he promised to transfer money in my ola account. Since yesterday i called him many times and messaged him to as reminder but it's falling on deaf ears.
He just answers call and says he will do it right away but still not done..
I didn't say anything even when the driver said he lost his gps and didn't know the route and was trolling around parel area. Even wifi stopped in the car.. But this extra toll money was too much for me to digest. It's not about money it's about ethics.