Bajaj Auto — extra charges with no warranty rama motors(authorised service center), old alwal

Address:

500010

RAMA MOTORS (Authorized service center) have charged extra amount for servicing my Avenger 220.

Please find attached bill copy and below the details for your reference.

Oil Charge - Rs.450
General Servicing - Rs.400
Meter Cable - Rs.160
Disk pad& Oil - Rs. 180.
Clutch Repair - Rs. 280
Gear Shaft"s" kit -Rs. 65
Labor Charge - Rs.300
Chain cleaning and Miss. Cleaning- Rs. 80
TOTAL: 1915.
I have asked clarification on the bill they have asked me to pay for.
I don't understand why they have charged me twice with the different name General servicing and Labor charge.
And also there is no warranty or Guarantee on the spare parts that they have replaced.