If u r near by Airport area, so many tyre shops opp.airport
Wherever you buy, check the expiry date and go for Bridgestone - made in Japan with respective speed ratings. Next option is Dunlop.
In Pirelliin Mugalina in the area where car accesories shop located.
Same areas "alsboy" said...go for "IMALCO"...you can see the name board....
There is this place on the right hand side when u come down frm Ramada signal towards Mid-mac round-about, avoid the bridge and take the round abt, keep goin straight towards decoration roundabout, just before the petrol pump, u wud get 2 c loads of tyre shops.