i have duplicated a app purchase can i get a refund .?

Get help with an item purchased from the App Store, iTunes Store, or iBooks Store - https://support.apple.com/HT204084

Report a Problem to request a refund - http://reportaproblem.apple.com - "Sign In for help with iTunes purchases made in the last 90 days"

If a reporting a problem request is unsuccessful you can also try:

Other ways to contact iTunes Support:

https://www.apple.com/emea/support/itunes/contact.html

https://support.apple.com/country-selector/itunes

Apple's terms of purchase for most countries are effectively, "All Transactions are final" (check terms at: http://www.apple.com/legal/internet-services/itunes/). Apple may refund on a case by case basis, but realize they can also say no.

Clickhereand ask the iTunes Store staff for a refund, or if you got an email receipt, use the Report A Problem link in it.

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