ASP.Net IFRAME Error: This content cannot be displayed in a frame

ear Team,

I am sharing the problem from IFrame. actually i am passing some URl inside Iframe than geting following error kindly provide the better solution as soon as possible.

To protect your security, nhai.ncog.gov.in will not allow Firefox to display the page if another site has embedded it. To see this page, you need to open it in a new window.

To help protect the security of information you enter into this website, the publisher of this content does not allow it to be displayed in a frame.

Error: nhai.ncog.gov.in refused to connect.

Code: <iframe id="Iframe1" runat="server" src="https://nhai.ncog.gov.in/" frameborder="0" width="100%" height="680"></iframe>

<div class="form-group" style="text-align: center">
    <div style="text-align: right; text-decoration-color: forestgreen">
        <asp:Button ID="btnRed" runat="server" Text="More Detail" Visible="false" OnClick="btnRed_Click" />
    </div>
    <div id="divBisag">           
        <iframe id="Iframe1" runat="server" src="https://nhai.ncog.gov.in/" frameborder="0" width="100%" height="680"></iframe>            
    </div>
</div>