Mega Cabs — False and abrupt farts at Chandigarh airport

I hd hired a cab today at 9.15 pm from chandigarh airport to Sector 44A, chandigarh. The fare told to me was 650₹ out of which 600 as paid at the counter and rest 50 was to be paid to the driver . However, the driver asked 85/- which was the parking fees. Also, driver wanted to take an unauthorised, short cut route and i had to literally quarrel to ask him to take the main route. Highly disappointed on this unprofessionalism displayed by Mega cabs. Never expected this. White colour Alto number 7650. Need a resolution