TVS Motor Company — tvs jupiter on road price - overcharged

Registered a grievance (Tvs-gr[protected] for below issue on 12-jan-2018 but yet to receive a call back.

Myself sathish, i bought a tvs jupiter from "kamakshi motors, chennai-600011" in the month of aug '18 (Details in attachment)

The on-road price was rs.65, 345
The ex. Showroom price mentioned: rs.54, 387

The road tax which is 8% of ex. Showroom price in tamil nadu would come around rs.4351, but the amount collected from me was rs.6, 081

The receipt amount mentioned in the insurance was rs.1, 230 bu the amount collected from me was rs.2, 027

I have attached required supporting documents with this email

In this regards could you clarify the below

1) why was the road tax collected from me was greater than actual?
2) why was the insurance amount collected from me was greater than the actual?
3) additional accessories amount collected from me was rs. 2, 750. Could you give me break up for each of the below accessories
1. R. V. Mirror 1 to 2 nos
2. Front & rear no. Plate with painting
3. Foot rest
4. Front bumber
5. Rear bumber
6. Mat
7. Side stand
8. Indicator buzzer