XLST Formating of XML tag issue

Am new to XSLT , need the XSLT code to transform the below XML input to XML output.

Input:

<Raj>
   <A>1</A>
   <B>3</B>
   <D></D>
   <E></E>
</Raj>

Output:

<Raj>
   <Request>
       <A>1</A>
       <B>3</B>
       <D></D>
       <E></E>
   </Request>
</Raj>