system.xml
<?xml version="1.0"?>
<config>
<tabs>
<ronisbt translate="label" module="feedback">
<label>Feedback</label>
<sort_order>200</sort_order>
</ronisbt>
</tabs>
<sections>
<feedback_setting module="feedback" translate="label">
<label>Feedback</label>
<tab>Feedback</tab>
<frontend_type>text</frontend_type>
<sort_order>1</sort_order>
<show_in_default>1</show_in_default>
<show_in_website>1</show_in_website>
<show_in_store>1</show_in_store>
<groups>
<captcha translate="label">
<label>Captcha</label>
<expanded>1</expanded>
<sort_order>1</sort_order>
<show_in_default>1</show_in_default>
<show_in_Website>1</show_in_Website>
<show_in_store>1</show_in_store>
<fields>
<blocks_captcha_secret>
<label>Secret key</label>
<frontend_type>text</frontend_type>
<sort_order>1</sort_order>
<show_in_default>1</show_in_default>
<show_in_Website>1</show_in_Website>
<show_in_store>1</show_in_store>
</blocks_captcha_secret>
<blocks_captcha_public>
<label>Public key</label>
<frontend_type>text</frontend_type>
<sort_order>3</sort_order>
<show_in_default>1</show_in_default>
<show_in_Website>1</show_in_Website>
<show_in_store>1</show_in_store>
</blocks_captcha_public>
</fields>
</captcha>
</groups>
</feedback_setting>
</sections>
</config>
adminhtml.xml
<?xml version="1.0"?>
<config>
<acl>
<resources>
<admin>
<children>
<system>
<children>
<config>
<children>
<feedback_setting translation="title" module="feedback">
<title>Feedback</title>
</feedback_setting>
</children>
</config>
</children>
</system>
</children>
</admin>
</resources>
</acl>
<menu>
<cms>
<children>
<feedback translate="title" module="feedback">
<title>Contact Form</title>
<action>adminhtml/ronisfb</action>
<sort_order>20</sort_order>
</feedback>
</children>
</cms>
</menu>
</config>