1: how to repair rear fog lines on the rear windshield? mine is broken
Search forums there is a topic in probably DIY section to fix broken lines of heater in rear windshield. Shortly a nail polish can be used to fix the broken lines.
2: my steering giving noise like tick tick when i pull my steering to the right and okay on the left side. what is its cause?
Most probably axle of right side has worned out. You 'll need to either repair them which is not recommended or replace them. no idea of the cost.
3: my car on motorway at a speed of 120KM/H, when i release the accelerator pedal the engine noise increases, when press again the noise vanishes. my car making a significant noise after speed of 100KM/H like brrrrrrrrrrr. my mechanic says its generator bearing sound, is he right?
Not sure about the engine noise. but you should check for wheel bearings as well for the brrrrr noise.