Adding contact details

docs/contact-us.md

diff --git a/docs/contact-us.md b/docs/contact-us.md
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@@ -1,10 +1,16 @@
 ## Contact Us
+
+To request for a gateway with Apache Airavata create an account in <a href="https://scigap.org/" target="_blank">SciGaP Portal</a><br>
+Submit a request using the online application. <br>
+We will contact you to discuss your requirement and provide you with the best Solution for You! 
+
+
 For your clarifications, Questions and Suggestions please contact us through
 <a href="http://airavata.apache.org/community/mailing-lists.html" target="_blank">Airavata mailing list</a>
 
 OR
 
-<a>Chat</a>
+<a href="https://join.slack.com/t/airavata/signup" target="_blank">Slack</a>
 
 Issue Reporting
 Any issue encountered with Airavata or our gateway please log through;
@@ -12,3 +18,5 @@
 <a href="https://issues.apache.org/jira/browse/AIRAVATA-1889?jql=project%20%3D%20AIRAVATA" target="_blank">Airavata JIRA</a>
 <br></br>
 NOTE: If you don't have an account in Apache JIRA you have to create one prior to submitting issues.
+
+