Index: lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/service/McServicePOJO.java
===================================================================
diff -u -ra207bdecc16a704428826dbf402a97de2e35458b -r351836c805d1e36ba77baf154d72e7e934975341
--- lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/service/McServicePOJO.java	(.../McServicePOJO.java)	(revision a207bdecc16a704428826dbf402a97de2e35458b)
+++ lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/service/McServicePOJO.java	(.../McServicePOJO.java)	(revision 351836c805d1e36ba77baf154d72e7e934975341)
@@ -1027,18 +1027,16 @@
 	cell = row.createCell(count++);
 	cell.setCellValue(messageService.getMessage("label.learner"));
 	
-	int groupCount = 0;
 	ArrayList<Integer> totalPercentList = new ArrayList<Integer>();
 	int[] numberOfCorrectAnswersPerQuestion = new int[questions.size()];
 	for (McSessionMarkDTO sessionMarkDTO : sessionMarkDTOs) {
 	    Map<String, McUserMarkDTO> usersMarksMap = sessionMarkDTO.getUserMarks();
-	    groupCount++;
 
 	    for (McUserMarkDTO userMark : usersMarksMap.values()) {
 		row = sheet.createRow(rowCount++);
 		count = 0;
 		cell = row.createCell(count++);
-		cell.setCellValue(groupCount);
+		cell.setCellValue(sessionMarkDTO.getSessionName());
 		
 		cell = row.createCell(count++);
 		cell.setCellValue(userMark.getFullName());
Index: lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/util/McSessionComparator.java
===================================================================
diff -u -re03e356e3615a5e9100c8dbaf08e8272d9c69c2b -r351836c805d1e36ba77baf154d72e7e934975341
--- lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/util/McSessionComparator.java	(.../McSessionComparator.java)	(revision e03e356e3615a5e9100c8dbaf08e8272d9c69c2b)
+++ lams_tool_lamc/src/java/org/lamsfoundation/lams/tool/mc/util/McSessionComparator.java	(.../McSessionComparator.java)	(revision 351836c805d1e36ba77baf154d72e7e934975341)
@@ -3,19 +3,21 @@
 import java.util.Comparator;
 
 import org.lamsfoundation.lams.tool.mc.pojos.McSession;
+import org.lamsfoundation.lams.util.AlphanumComparator;
 
 /**
  * McSessionComparator.
  */
 public class McSessionComparator implements Comparator<McSession> {
+    
+    private static AlphanumComparator alphanumComparator = new AlphanumComparator();
 
-    public int compare(McSession o1, McSession o2) {
-	if (o1 != null && o2 != null) {
-	    return o1.getSession_name().compareTo(o2.getSession_name());
-	} else if (o1 != null)
-	    return 1;
-	else
-	    return -1;
+    public int compare(McSession session1, McSession session2) {
+	
+	String session1Name = session1 != null ? session1.getSession_name() : "";
+	String session2Name = session2 != null ? session2.getSession_name() : "";
+
+	return alphanumComparator.compare(session1Name, session2Name);
     }
 
 }