diff --git a/erpnext/projects/doctype/time_log/time_log.js b/erpnext/projects/doctype/time_log/time_log.js
index 3a01ca5..7648a53 100644
--- a/erpnext/projects/doctype/time_log/time_log.js
+++ b/erpnext/projects/doctype/time_log/time_log.js
@@ -53,12 +53,12 @@
 var calculate_cost = function(frm) {
 	frm.set_value("costing_amount", frm.doc.costing_rate * frm.doc.hours);
 	if (frm.doc.billable==1){
-		frm.set_value("billing_amount", frm.doc.billing_rate * frm.doc.hours);
+		frm.set_value("billing_amount", (frm.doc.billing_rate * frm.doc.hours) + frm.doc.additional_cost);
 	}
 }
 
 var get_activity_cost = function(frm) {
-	if (frm.doc.employee && frm.doc.activity_type){
+	if (frm.doc.activity_type){
 		return frappe.call({
 			method: "erpnext.projects.doctype.time_log.time_log.get_activity_cost",
 			args: {
@@ -80,6 +80,10 @@
 	calculate_cost(frm);
 });
 
+frappe.ui.form.on("Time Log", "additional_cost", function(frm) {
+	calculate_cost(frm);
+});
+
 frappe.ui.form.on("Time Log", "activity_type", function(frm) {
 	get_activity_cost(frm);
 });
@@ -94,6 +98,7 @@
 	}
 	else {
 		frm.set_value("billing_amount", 0);
+		frm.set_value("additional_cost", 0);
 	}
 });
 
diff --git a/erpnext/projects/doctype/time_log/time_log.json b/erpnext/projects/doctype/time_log/time_log.json
index 4490f97..7052c5e 100644
--- a/erpnext/projects/doctype/time_log/time_log.json
+++ b/erpnext/projects/doctype/time_log/time_log.json
@@ -26,6 +26,7 @@
    "options": "TL-", 
    "permlevel": 0, 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 1, 
@@ -48,6 +49,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -71,6 +73,7 @@
    "options": "Draft\nSubmitted\nBatched for Billing\nBilled\nCancelled", 
    "permlevel": 0, 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 1, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -93,6 +96,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -115,6 +119,7 @@
    "no_copy": 0, 
    "permlevel": 0, 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 1, 
@@ -138,6 +143,7 @@
    "no_copy": 0, 
    "permlevel": 0, 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -160,6 +166,7 @@
    "no_copy": 0, 
    "permlevel": 0, 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 1, 
@@ -182,6 +189,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -206,6 +214,7 @@
    "options": "Activity Type", 
    "permlevel": 0, 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -230,6 +239,7 @@
    "options": "Project", 
    "permlevel": 0, 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -254,6 +264,7 @@
    "options": "Task", 
    "permlevel": 0, 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -276,6 +287,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -300,6 +312,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -324,6 +337,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -345,6 +359,7 @@
    "no_copy": 0, 
    "permlevel": 0, 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -368,6 +383,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 1, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -390,6 +406,7 @@
    "no_copy": 0, 
    "permlevel": 0, 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -413,6 +430,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -438,6 +456,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 1, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -463,6 +482,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 1, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -488,6 +508,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 1, 
+   "print_hide_if_no_value": 0, 
    "read_only": 1, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -510,6 +531,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -535,6 +557,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 1, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -560,6 +583,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -581,6 +605,7 @@
    "no_copy": 0, 
    "permlevel": 0, 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -603,6 +628,7 @@
    "no_copy": 0, 
    "permlevel": 0, 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -626,6 +652,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -651,6 +678,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 1, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -675,6 +703,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 1, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -697,6 +726,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -722,6 +752,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 1, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -733,6 +764,31 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "depends_on": "eval:doc.billable", 
+   "fieldname": "additional_cost", 
+   "fieldtype": "Currency", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "in_filter": 0, 
+   "in_list_view": 0, 
+   "label": "Additional Cost", 
+   "length": 0, 
+   "no_copy": 0, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
    "default": "0", 
    "description": "Will be updated only if Time Log is 'Billable'", 
    "fieldname": "billing_amount", 
@@ -747,6 +803,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 1, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -769,6 +826,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -793,6 +851,7 @@
    "options": "Time Log Batch", 
    "permlevel": 0, 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 1, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -817,6 +876,7 @@
    "options": "Sales Invoice", 
    "permlevel": 0, 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 1, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -840,6 +900,7 @@
    "options": "Time Log", 
    "permlevel": 1, 
    "print_hide": 1, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -863,6 +924,7 @@
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
@@ -881,7 +943,7 @@
  "issingle": 0, 
  "istable": 0, 
  "max_attachments": 0, 
- "modified": "2015-11-16 06:29:59.410559", 
+ "modified": "2016-01-14 04:36:02.286924", 
  "modified_by": "Administrator", 
  "module": "Projects", 
  "name": "Time Log", 
diff --git a/erpnext/projects/doctype/time_log/time_log.py b/erpnext/projects/doctype/time_log/time_log.py
index cd20036..c2239df 100644
--- a/erpnext/projects/doctype/time_log/time_log.py
+++ b/erpnext/projects/doctype/time_log/time_log.py
@@ -236,6 +236,9 @@
 				self.billing_amount = self.billing_rate * self.hours
 			else:
 				self.billing_amount = 0
+		
+		if self.additional_cost and self.billable:
+			self.billing_amount += self.additional_cost
 
 	def update_task_and_project(self):
 		"""Update costing rate in Task or Project if either is set"""
diff --git a/erpnext/projects/doctype/time_log_batch/time_log_batch.js b/erpnext/projects/doctype/time_log_batch/time_log_batch.js
index 6b5f080..b1c431c 100644
--- a/erpnext/projects/doctype/time_log_batch/time_log_batch.js
+++ b/erpnext/projects/doctype/time_log_batch/time_log_batch.js
@@ -37,14 +37,31 @@
 	}
 });
 
-frappe.ui.form.on("Time Log Batch Detail", "time_log", function(frm, cdt, cdn) {
+frappe.ui.form.on("Time Log Batch Detail", "time_log", function(frm) {
+	calculate_time_and_amount(frm);
+});
+
+frappe.ui.form.on("Time Log Batch Detail", "time_logs_remove", function(frm) {
+	calculate_time_and_amount(frm);
+});
+
+frappe.ui.form.on("Time Log Batch", "onload", function(frm) {
+	if (frm.doc.__islocal && frm.doc.time_logs) {
+		calculate_time_and_amount(frm);
+	}
+});
+
+var calculate_time_and_amount = function(frm) {
 	var tl = frm.doc.time_logs || [];
 	total_hr = 0;
 	total_amt = 0;
 	for(var i=0; i<tl.length; i++) {
-		total_hr += tl[i].hours;
-		total_amt += tl[i].billing_amount;
+		if (tl[i].time_log) {
+			total_hr += tl[i].hours;
+			total_amt += tl[i].billing_amount;
+		}
 	}
 	cur_frm.set_value("total_hours", total_hr);
 	cur_frm.set_value("total_billing_amount", total_amt);
-});
\ No newline at end of file
+	
+}
\ No newline at end of file