many thanks for your help.
Waleed80, i'd stick to 13''
Storm, before creating this post i browsed through and found similar suggestions of yours.
the Pirelli shop is actually in Blue Area next to Wheels & Wheels but the number you have given is of F-8. same owners though. These guys are demanding Rs. 4500 per tire where the one Minex mentioned in another post demand Rs. 3700. on five tires, this is a difference of Rs. 4000 flat. at the moment, the Maxxis guy doesn't have those.
the shop in Pindi quoted prices of Dunlop and Yokohama more expensive than some shops in Melody even. Pirelli he didn't have.
now vot?