Hero Motocorp — useless service of my new scooty

Address:

Howrah, West Bengal, 711227

I gourab roy chowdhury from howrah west bengal. I bought a hero maestro edge on[protected]. 1st servicing was done. But the authorised service centre of hero just wash my scooty and change the engine oil & they also use fuel (Petrol) from my scooty fuel tank for final brush. I want to know that this type of cheap service provider by a popular company named hero motocorp