Yamaha Motor India — Warranty of caliper

Address:

N J YAMAHA AUTOMOBILE, UDHANA-SURAT GUJARAT

I bought my bike fz fi on 6/5/2022 and after 2nd service i noticed that rear wheel is jam due to friction of rotor and discpad so run in to N j automobile udhana surat gujarat workshop they told me they have to open calipar and clean it and it will be chargeable since brakes are not covered in warranty how is this possible that under 5 months issue occurred in brake and it is not covered in warranty..still i paid 350 for brake calipar over hauling and problem is still unsolved..