diff --git a/icu4c/source/data/locales/en_HK.txt b/icu4c/source/data/locales/en_HK.txt
index a156ace888a..cb38bac344f 100644
--- a/icu4c/source/data/locales/en_HK.txt
+++ b/icu4c/source/data/locales/en_HK.txt
@@ -7,4 +7,46 @@
 
 en_HK {
     Version { "2.0" }
+//    AmPmMarkers { 
+//            "AM",
+//            "PM",
+//    }
+    calendar{
+        gregorian{
+            DateTimePatterns { 
+                "h:mm:ss a z",
+                "h:mm:ss a z",
+                "h:mm:ss a",
+                "h:mm a",
+                "EEEE, d MMMM yyyy",
+                "d MMMM yyyy",
+                "d MMM yyyy",
+                "dd/MM/yyyy",
+                "{1} {0}",
+            }
+        }
+    }
+//    NumberElements {
+//        ".",
+//        ",",
+//        ";",
+//        "%",
+//        "0",
+//        "#",
+//        "-",
+//        "E",
+//        "\u2030",
+//        "\u221E",
+//        "\uFFFD",
+//    }
+    NumberPatterns { 
+        "#,##0.###;-#,##0.###",
+        "\u00A4#,##0.00;(\u00A4#,##0.00)",
+        "#,##0%",
+        "#E0",
+    }
+    Currencies{
+        HKD { "$",  "Hong Kong Dollar"     } 
+        USD { "US$",     "USD" } // US Dollar
+    }
 }
diff --git a/icu4c/source/data/locales/en_IN.txt b/icu4c/source/data/locales/en_IN.txt
index 39a5311cf40..dbc2d09fb7d 100644
--- a/icu4c/source/data/locales/en_IN.txt
+++ b/icu4c/source/data/locales/en_IN.txt
@@ -7,4 +7,43 @@
 
 en_IN {
     Version{"2.0"}
+//    AmPmMarkers { 
+//        "AM",
+//        "PM",
+//    }
+    calendar{
+        gregorian{
+            DateTimePatterns { 
+                "h:mm:ss a z",
+                "h:mm:ss a z",
+                "h:mm:ss a",
+                "h:mm a",
+                "EEEE d MMMM yyyy",
+                "d MMMM yyyy",
+                "dd-MMM-yy",
+                "dd/MM/yy",
+                "{1} {0}",
+            }
+        }
+    }
+   
+//    NumberElements {
+//        ".",
+//        ",",
+//        ";",
+//        "%",
+//        "0",
+//        "#",
+//        "-",
+//        "E",
+//        "\u2030",
+//        "\u221E",
+//        "\uFFFD",
+//    }
+    NumberPatterns {
+        "##,##,##0.###;-##,##,##0.###",
+        "\u00A4 ##,##,##0.00;-\u00A4 ##,##,##0.00",
+        "##,##,##0%",
+        "#E0",
+    }
 }
diff --git a/icu4c/source/data/locales/zh_SG.txt b/icu4c/source/data/locales/zh_SG.txt
index a59e0488410..c418163ff47 100644
--- a/icu4c/source/data/locales/zh_SG.txt
+++ b/icu4c/source/data/locales/zh_SG.txt
@@ -10,4 +10,61 @@
 
 zh_SG {
     Version { "2.0" }
+//    AmPmMarkers { 
+//        "\u4E0A\u5348", // am
+//        "\u4E0B\u5348" // pm
+//    }
+    calendar{
+        gregorian{
+            DateTimePatterns {
+                // most commonly used formal time format 
+                "a hh:mm:ss",
+                "a hh:mm:ss",
+                "a hh:mm",
+                "a hh:mm",
+                // most commonly used date format
+                "dd MMMM yyyy",
+                "dd MMM yyyy",
+                "dd-MMM-yy",
+                "dd/MM/yy",
+                "{1} {0}"
+            }
+        }
+    }
+
+    // Duplicates from zh locale have been removed.
+    Countries {
+        AU { "\u6FB3\u6D32" }
+        CZ { "\u6377\u514B" }
+        ID { "\u5370\u5C3C" }
+        KR { "\u5357\u97E9" }
+        MK { "\u9A6C\u5176\u987F" }
+        NZ { "\u7EBD\u897F\u5170" }
+        SA { "\u6C99\u5730\u963F\u62C9\u4F2F" }
+    }
+    // Duplicates from zh locale have been removed.
+    Languages {
+        root { "\u6839 \u6e90" }
+
+        ko { "\u97e9\u6587" }           // Korean
+        sh { "\u585e\u5c14\u7ef4\u4e9a\u514b\u7f57\u5730\u4e9a\u6587" }   // SerboCroatian
+    }
+    NumberPatterns { 
+        "#,##0.###;-#,##0.###",
+        "\u00A4#,##0.00;-\u00A4#,##0.00",
+        "#,##0%",
+        "#E0",
+    }
+/*
+    zoneStrings { 
+        {
+            "SST",
+            "Singapore Standard Time",
+            "SST",
+            "Singapore Standard Time",
+            "SST",
+//            "Singapore"
+        }
+    }
+*/
 }