I need to fetch first 50 records from a XML which return 250 records
<Step>
<Name>Name1</Name>
<Desc>Desc1</Desc>
</Step>
<Step>
<Name>Name2</Name>
<Desc>Desc2</Desc>
</Step>
<Step>
<Name>Name2</Name>
<Desc>Desc2</Desc>
</Step>
<Step>
<Name>Name2</Name>
<Desc>Desc2</Desc>
</Step>