diff --git a/erpnext/buying/doctype/purchase_common/purchase_common.js b/erpnext/buying/doctype/purchase_common/purchase_common.js
index c176235..d652779 100644
--- a/erpnext/buying/doctype/purchase_common/purchase_common.js
+++ b/erpnext/buying/doctype/purchase_common/purchase_common.js
@@ -130,6 +130,11 @@
   // Calculate Amount
   cur_frm.cscript.calc_amount(doc, 4);
 }
+//==================== Purchase Ref Rate ================================================================
+cur_frm.cscript.purchase_ref_rate = function(doc, cdt, cdn) {
+  // Calculate Amount
+  cur_frm.cscript.calc_amount(doc, 4);
+}
 
 
 //====================== Calculate Amount  ============================================================
@@ -251,25 +256,30 @@
       set_multiple(tname, cl[i].name, {'purchase_rate': flt(doc.conversion_rate) * flt(cl[i].import_rate) }, fname);
       set_multiple(tname, cl[i].name, {'amount': flt(flt(cl[i].qty) * flt(doc.conversion_rate) * flt(cl[i].import_rate))}, fname);
       set_multiple(tname, cl[i].name, {'import_amount': flt(flt(cl[i].qty) * flt(cl[i].import_rate))}, fname);
+      if(cl[i].import_ref_rate){
+	  set_multiple(tname, cl[i].name, {'purchase_ref_rate':flt(cl[i].import_ref_rate)*flt(doc.conversion_rate)}, fname);
+	  }
 	  //dicount value should be changed
     }
     if(n == 2){
       set_multiple(tname, cl[i].name, {'amount': flt(flt(cl[i].qty) * flt(cl[i].purchase_rate)), 'import_rate': flt(flt(cl[i].purchase_rate) / flt(doc.conversion_rate)) }, fname);
       set_multiple(tname, cl[i].name, {'import_amount': flt(flt(cl[i].qty) *  flt(cl[i].purchase_rate) / flt(doc.conversion_rate))}, fname);
-	  //discount value should be changed    
+	  set_multiple(tname, cl[i].name, {'purchase_ref_rate':flt(cl[i].import_ref_rate)*flt(doc.conversion_rate)}, fname);
+	  		  //discount value should be changed    
 	}
     if(n == 3){
       set_multiple(tname, cl[i].name, {'purchase_rate': flt(flt(cl[i].amount) / flt(cl[i].qty)) }, fname);
       set_multiple(tname, cl[i].name, {'import_rate': flt(flt(cl[i].purchase_rate) / flt(doc.conversion_rate))}, fname); 
       set_multiple(tname, cl[i].name, {'import_amount': flt(flt(cl[i].qty) *  flt(cl[i].purchase_rate) / flt(doc.conversion_rate))}, fname);
     }
-	if( n==4){
-	  if(cl[i].purchase_ref_rate && !cl[i].import_ref_rate ){
-		set_multiple(tname, cl[i].name, {'
-		}
-
-	
-	
+	if( n==4){	  
+	  set_multiple(tname, cl[i].name, {'import_ref_rate': flt(flt(cl[i].purchase_ref_rate) / flt(doc.conversion_rate))}, fname);
+	  set_multiple(tname, cl[i].name, {'purchase_rate':flt( flt(cl[i].purchase_ref_rate) - flt(flt(cl[i].purchase_ref_rate)*flt(cl[i].discount_rate)/100) )}, fname);
+	  set_multiple(tname, cl[i].name, {'import_rate': flt(flt(cl[i].purchase_rate) / flt(doc.conversion_rate))}, fname); 
+	  set_multiple(tname, cl[i].name, {'amount':flt(flt(cl[i].qty) * flt(cl[i].purchase_rate))}, fname);
+	  set_multiple(tname, cl[i].name, {'import_amount': flt(flt(cl[i].qty) *  flt(cl[i].purchase_rate) / flt(doc.conversion_rate))}, fname); 
+		
+	}
     if (n != 3){
       net_total += flt(flt(cl[i].qty) * flt(cl[i].purchase_rate));
       net_total_import += flt(flt(cl[i].qty) * flt(cl[i].import_rate));