diff --git a/erpnext/accounts/page/pos/pos.js b/erpnext/accounts/page/pos/pos.js
index 29f27fb70c0..fe71f28e618 100644
--- a/erpnext/accounts/page/pos/pos.js
+++ b/erpnext/accounts/page/pos/pos.js
@@ -393,7 +393,8 @@ erpnext.pos.PointOfSale = erpnext.taxes_and_totals.extend({
 		this.frm = {}
 		this.frm.doc = this.doc
 		this.set_transaction_defaults("Customer");
-		this.frm.doc["allow_user_to_edit_rate"] = this.pos_profile_data["allow_user_to_edit_rate"] ? true : false,
+		this.frm.doc["allow_user_to_edit_rate"] = this.pos_profile_data["allow_user_to_edit_rate"] ? true : false;
+		this.frm.doc["allow_user_to_edit_discount"] = this.pos_profile_data["allow_user_to_edit_discount"] ? true : false;
 		this.wrapper.html(frappe.render_template("pos", this.frm.doc));
 		this.make_search();
 		this.make_customer();
@@ -1256,6 +1257,7 @@ erpnext.pos.PointOfSale = erpnext.taxes_and_totals.extend({
 		$(this.wrapper).find('.selected-item').empty();
 		if(this.child_doc.length) {
 			this.child_doc[0]["allow_user_to_edit_rate"] = this.pos_profile_data["allow_user_to_edit_rate"] ? true : false,
+			this.child_doc[0]["allow_user_to_edit_discount"] = this.pos_profile_data["allow_user_to_edit_discount"] ? true : false;
 			this.selected_row = $(frappe.render_template("pos_selected_item", this.child_doc[0]))
 			$(this.wrapper).find('.selected-item').html(this.selected_row)
 		}
@@ -1683,7 +1685,7 @@ erpnext.pos.PointOfSale = erpnext.taxes_and_totals.extend({
 		setInterval(function () {
 			me.freeze_screen = false;
 			me.sync_sales_invoice()
-		}, 60000)
+		}, 180000)
 	},
 
 	sync_sales_invoice: function () {
diff --git a/erpnext/public/js/pos/pos.html b/erpnext/public/js/pos/pos.html
index 1d9fd7c20f4..af90756963b 100644
--- a/erpnext/public/js/pos/pos.html
+++ b/erpnext/public/js/pos/pos.html
@@ -37,20 +37,22 @@
 					<div class="cell price-cell text-right tax-table">
 					</div>
 				</div>
-				<div class="pos-list-row discount-amount-area">
-					<div class="cell"></div>
-					<div class="cell text-right">{%= __("Discount") %}</div>
-					<div class="cell price-cell discount-field-col">
-						<div class="input-group input-group-sm">
-							<span class="input-group-addon">%</span>
-							<input type="text" class="form-control discount-percentage text-right">
-						</div>
-						<div class="input-group input-group-sm">
-							<span class="input-group-addon">{%= get_currency_symbol(currency) %}</span>
-							<input type="text" class="form-control discount-amount text-right" placeholder="{%= 0.00 %}">
+				{% if(allow_user_to_edit_discount) { %}
+					<div class="pos-list-row discount-amount-area">
+						<div class="cell"></div>
+						<div class="cell text-right">{%= __("Discount") %}</div>
+						<div class="cell price-cell discount-field-col">
+							<div class="input-group input-group-sm">
+								<span class="input-group-addon">%</span>
+								<input type="text" class="form-control discount-percentage text-right">
+							</div>
+							<div class="input-group input-group-sm">
+								<span class="input-group-addon">{%= get_currency_symbol(currency) %}</span>
+								<input type="text" class="form-control discount-amount text-right" placeholder="{%= 0.00 %}">
+							</div>
 						</div>
 					</div>
-				</div>
+				{% } %}
 				<div class="pos-list-row grand-total-area collapse-btn" style="border-bottom:1px solid #d1d8dd;">
 					<div class="cell">
 						<a class="">
@@ -71,7 +73,7 @@
 						{% for(var j=i*3; j
 						<(i+1)*3; j++) { %} <button type="button" class="btn btn-default numeric-keypad" val="{{j+1}}">{{j+1}}</button>
 							{% } %}
-							<button type="button" {% if(!allow_user_to_edit_rate && chartData[i] == __("Price")) { %} disabled {% } %} id="pos-item-{{ chartData[i].toLowerCase() }}" class="btn text-center btn-default numeric-keypad pos-operation">{{ __(chartData[i]) }}</button>
+							<button type="button" {% if((!allow_user_to_edit_rate && chartData[i] == __("Price")) || (!allow_user_to_edit_discount && chartData[i] == __("Disc"))) { %} disabled {% } %} id="pos-item-{{ chartData[i].toLowerCase() }}" class="btn text-center btn-default numeric-keypad pos-operation">{{ __(chartData[i]) }}</button>
 				</div>
 				{% } %}
 				<div class="row text-right">
diff --git a/erpnext/public/js/pos/pos_selected_item.html b/erpnext/public/js/pos/pos_selected_item.html
index 085e048184b..03c73411a48 100644
--- a/erpnext/public/js/pos/pos_selected_item.html
+++ b/erpnext/public/js/pos/pos_selected_item.html
@@ -9,7 +9,7 @@
 	</div>
 	<div class="pos-list-row">
 		<div class="cell">{{ __("Discount") }}: %</div>
-		<input type="tel" class="form-control cell pos-item-disc" value="{%= discount_percentage %}">
+		<input type="tel" class="form-control cell pos-item-disc" {% if !allow_user_to_edit_discount %} disabled {% endif %} value="{%= discount_percentage %}">
 	</div>
 	<div class="pos-list-row">
 		<div class="cell">{{ __("Price") }}:</div>