Maruti Alto — Bed tyres

Hello My Self Manubhai Patel
I Purchased Alto in january 2006 from kataria automobile ahmedabad
in my car tyres are jktyre which are very poor when i drive my car on 60 to 80 kmh some vibration on my car so i chake my car at autorized maruti delaer at mehsana they told me your tyre are poor they told me your tyre are replased by autorized delear of jktyre but autorized delear can not replase my tyre my car on warrenty period at that time and from purchase of my car within 2 year my stering wheels plastic are crake so i need proper solution