Honda 2 Wheelers India — over charging problem

Address:

Flat 313, Navniti apartment , I P Extension patparganj, Delhi 110092, New Delhi, Delhi, 110092

Today in the morning i went for service of my scooter honda activa at swroop honda in patparganj industrial area. I have amc for one year and they have given me additional estimate of 600. Till here i was ok. When i come back to home then they ring to me and said engine of your scooter required to be open and expected expenses will come around rs. 10000/-.in morning i have just requested and inform them about starting problem in the morning. Though i have not given permission for opening engine. Kindly examine this otherwise honda brand will defame.in the previous service also i have paid 3500/-
My registration no is dl 7sbm5847