Wagon R 59000 service में कौन कौन से स्पेयर पार्ट्स लगते हैं

This service was done on segnet automobile
Delhi Saharan our road baraut
Parts change/ used :
Air filter
Oil filter
Calliper greaseing
Spark plugs
Wiper blade
Coolant
Part what I refuse
Callipers which was sound a little bit no much
CNG filter which was changed just 20000 km
Alloyment wheel balancing which I know that no need to be done
Total cost of service was 5250
Total cost they suggested to me 7800 around