To rebuild the webforms Recaptcha extension in magento1.9

Requirement:
This document summarizes the Recaptcha implementation in webforms extension in the Magento(1.9) website. The Recaptcha implementation in webforms to prevent unauthorized form submission on the Magento(1.9) website.

Solution:

To implement the Recaptcha on the forms in Magento1.9 follow the below-mentioned steps
1. Go to Magento backend system->configuration->customer->customer configuration->captcha enable recaptcha on backend
2. Integrate the Recaptcha templates on the form through page XML layout.
Ex code:

<contacts_index_index>
        <reference name="root">
            <action method="setTemplate"><template>page/2columns-right.phtml</template></action>
        </reference>  
        <reference name="right">
            <block type="cms/block" name="contact.info">
                <action method="setBlockId"><block_id>contact_info</block_id></action>
            </block>
        </reference>
        <reference name="customerForm">
            <block type="core/text_list" name="form.additional.info">
                <block type="captcha/captcha" name="captcha">
                    <reference name="head">
                        <action method="addJs"><file>mage/captcha.js</file>      </action>
                    </reference>
                    <action method="setFormId"><formId>contacts</formId></action>
                    <action method="setImgWidth"><width>230</width></action>
                    <action method="setImgHeight"><width>50</width></action>
                </block>
            </block>
        </reference>  
    </contacts_index_index>

Thank you.