Need help in upgrading!!!!

Frnds I need help in upgrading my C.P.U. I have a budget of arnd 10 to 11k for my cpu please tell me the best configuration in my budget.I just want to mention i would like to buy an AMD processor as i guess it is better then INTEL at cheaper price.I live in delhi so please suggest me some good shop to buy the hardware from.THANKS in advance.....

If You want just Upgrade your CPu then you have to Keep In Mind that Your Existing Specification is compatible with your New Processor. As far as Suggestion You better Post Your Current Specification Here it Will be More Helpful For us To Suggest .