ALM 12.01 logo modification

I am trying to change logo in index.jsp

For this I have updated index.jsp located in C:\Program Files\HP\ALM\application\20qcbin.war\ as mentioned below code, placed image in mentioned path(C:\Program Files\HP\ALM\application\20qcbin.war\images\XYImages\xyz.jpg) and restarted ALM service(HP Application LifeCycle Mangement), but some how still it maintain hp logo instead of updated one also on client browser in source still display old code. version I am using ALM 12.01.

 Snippet of modified code of index.jsp

                <td class="hp_logo">

                    <!-- Replace HP Logo with xyz Logo -->

                                                  ​                             <!--<img src="images/hp_logo.png" alt="" border="0"/>-->

                                                  ​                              <img src="images/XYImages/xyz.jpg" alt="" border="0"/>

                </td>

                <td>

                    <p class="alm_header">Application Lifecycle Management</p>

                    <p class="subheader"><%=brandName%></p>