diff --git a/erpnext/buying/doctype/purchase_common/purchase_common.js b/erpnext/buying/doctype/purchase_common/purchase_common.js
index d652779..f123fd5 100644
--- a/erpnext/buying/doctype/purchase_common/purchase_common.js
+++ b/erpnext/buying/doctype/purchase_common/purchase_common.js
@@ -135,6 +135,11 @@
   // Calculate Amount
   cur_frm.cscript.calc_amount(doc, 4);
 }
+//==================== Import Ref Rate ================================================================
+cur_frm.cscript.import_ref_rate = function(doc, cdt, cdn) {
+  // Calculate Amount
+  cur_frm.cscript.calc_amount(doc, 5);
+}
 
 
 //====================== Calculate Amount  ============================================================
@@ -253,19 +258,18 @@
   for(var i=0;i<cl.length;i++) 
   {
     if(n == 1){ 
+	  set_multiple(tname, cl[i].name, {'discount_rate': flt(flt( flt( flt(cl[i].import_ref_rate) - flt(cl[i].import_rate) ) * 100 )/flt(cl[i].import_ref_rate)) }, fname);
       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, {'discount_rate': flt(flt( flt( flt(cl[i].purchase_ref_rate) - flt(cl[i].purchase_rate) ) * 100 )/flt(cl[i].purchase_ref_rate)) }, fname);
       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);
 	  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);
@@ -280,6 +284,36 @@
 	  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==5){	  
+	  set_multiple(tname, cl[i].name, {'purchase_ref_rate': flt(flt(cl[i].import_ref_rate) * flt(doc.conversion_rate))}, fname);
+	  set_multiple(tname, cl[i].name, {'purchase_rate':flt( flt(cl[i].import_ref_rate) - flt(flt(cl[i].import_ref_rate)*flt(cl[i].discount_rate)/100) ) * flt(doc.conversion_rate) }, 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==6){	 
+	   
+	  //set_multiple(tname, cl[i].name, {'import_ref_rate': flt(flt(cl[i].purchase_ref_rate) / flt(doc.conversion_rate))}, fname);
+	  if (cl[i].purchase_ref_rate){
+	  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);
+	  }
+	  else{
+	  set_multiple(tname, cl[i].name, {'purchase_rate': flt(flt(cl[i].import_rate) * flt(doc.conversion_rate))}, fname); 
+	  }
+	  if (cl[i].import_ref_rate){
+	  set_multiple(tname, cl[i].name, {'import_rate':flt( flt(cl[i].import_ref_rate) - flt(flt(cl[i].import_ref_rate)*flt(cl[i].discount_rate)/100) )}, fname);
+	  }
+	  else{
+	  set_multiple(tname, cl[i].name, {'import_rate': flt(flt(cl[i].import_rate) * flt(doc.conversion_rate))}, 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));