diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/ColumnSchema.java b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/ColumnSchema.java
index 853851dcb3c..8eba10139f7 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/ColumnSchema.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/ColumnSchema.java
@@ -315,7 +315,7 @@ public void setParentColumnTableRelations(
       if (other.columnName != null) {
         return false;
       }
-    } else if (!columnName.equals(other.columnName)) {
+    } else if (!columnName.equalsIgnoreCase(other.columnName)) {
       return false;
     }
     if (dataType == null) {
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/executor/util/RestructureUtil.java b/core/src/main/java/org/apache/carbondata/core/scan/executor/util/RestructureUtil.java
index 9fe2a38912b..e823eb2299c 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/executor/util/RestructureUtil.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/executor/util/RestructureUtil.java
@@ -165,14 +165,15 @@ private static boolean isColumnMatches(boolean isTransactionalTable,
     // column ID but can have same column name
     if (tableColumn.getDataType().isComplexType() && !(tableColumn.getDataType().getId()
         == DataTypes.ARRAY_TYPE_ID)) {
-      if (tableColumn.getColumnId().equals(queryColumn.getColumnId())) {
+      if (tableColumn.getColumnId().equalsIgnoreCase(queryColumn.getColumnId())) {
         return true;
       } else {
         return isColumnMatchesStruct(tableColumn, queryColumn);
       }
     } else {
-      return (tableColumn.getColumnId().equals(queryColumn.getColumnId()) || (!isTransactionalTable
-          && tableColumn.getColName().equals(queryColumn.getColName())));
+      return (tableColumn.getColumnId().equalsIgnoreCase(queryColumn.getColumnId()) || (
+          !isTransactionalTable && tableColumn.getColName()
+              .equalsIgnoreCase(queryColumn.getColName())));
     }
   }