Hero Motocorp — mileage and engine voice

Address:

Rewari, Haryana, 123401

Dear sir/ madam i'm five time complaint but m not satisfied because not properly work
Engine se voice abhi v aati h bike 38-40 ki millage de rhye h and bike abhi 7500 km chli h agency me millage testing ke liye bolta hu to bola jata h ki 200 charge pay kiya jaye ga because sir its not my fault its u r mine phle milage test krwale pa no charg but ab ye log bolte h ki millage test par charge pay krna hoga and properly bike service time to time
And sab se badi problem bike ke engine se voice aati h please solve sir/madam
Bike agency name virandera automobile rewari (Haryana)