An e-mail service of India‚Äôs own is what the government is working on now. The Department of Electronics and. built into an OPC UA server for SCADA applications; an industrial Certificate Authority (CA) for user key management;. To secure your website, you must install an X.509 Digital Certificate, generically called an SSL certificate, on your server. A trusted third party. you can still. Enter your username and password to log…