update what's new

Author: jr-MS

articles/cognitive-services/Anomaly-Detector/whats-new.md

@@ -15,6 +15,10 @@ We've also added links to some user-generated content. Those items will be marke
 
 ## Release notes
 
+### September 2021
+* Anomaly Detector (univariate) available in Jio India West.
+
+
 ### August 2021
 
 * Multivariate anomaly detection APIs deployed in five more regions: West US 3, Japan East, Brazil South, Central US, Norway East. Now in total 15 regions are supported.