Well it all depends at the time of cancellation.If you have choose immediate account cancellation or cancellation upon expiration.
* If you choose the cancel now option, the account will be suspended
immediately after receiving the confirmation to your cancellation request. A copy of the account will be kept for a maximum of 7 calendar days. After that period the server delete all your account information and files from it.

* If you request cancellation upon expiration, your hosting account will be suspended 24 hours after its expiration date. A copy of the account will again be kept for a maximum of 7 calendar days and will be terminated afterwards.

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wipr
Wipro Dedicated Servers

Dude it is advisable to have the back-up of all your files and data.It will help you in future if you loose any of your data.