I m in india can i buy an apple iphone 3g 8gb online ?

i m in india can i buy an apple iphone 3g 8gb online ? how can i make payment in INR ? would i be able to jailbreak or unlock it myself ? i have no friends or relatives in U.S. i dont want officialy unlocked one bcoz it would be too costly for me. any suggestions ? plz help !
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