Hyundai Motor India — Complaint against Hbl hyundai

I have I20 sports model it was gave to Fpl hyundai service center at chennai on 31.08.2021for some issues the follows
1) General services,
2) Front side right mirror not work
3) Rain water inlet to ingine through left wipe
4) Reverse Horn not work
5) Head light loose contacts
Etc.,
After four days it was delivered to me on 03.09.2021 But they have done only general service others not fulfilled and they said related spares not available now next what to do