Sorry for the long absence guys as there is nothing new to report about the car is running perfectly in every way no problem whatsoever .
Braking issue was found to be faulty rear brakes and has been rectified by the VW guys under warranty although it took some time to get the part from the manufacturer but now the braking is perfect no vibration whatsoever .
Returning a mileage to 14-15 kmpl with 100% AC and all city driving
Activated the auto lock and unlock feature from VW