Spotting
 Timeline
 Travel Tip
 Trip
 Race
 Social
 Greeting
 Poll
 Img
 PNR
 Pic
 Blog
 News
 Conf TL
 RF Club
 Convention
 Monitor
 Topic
 #
 Rating
 Correct
 Wrong
 Stamp
 PNR Ref
 PNR Req
 Blank PNRs
 HJ
 Vote
 Pred
 @
 FM Alert
 FM Approval
 Pvt

RailCal app

site support

Howrah Rajdhani - At 50, the Handsome King ЁЯСС is still ruling the tracks superbly. - Somanko

Search Trains
Post PNR
TRAIN IS CANCELLED
Availability Calendar
Search NDLS to DBG
Return# 04039
PDF Download

04040/New Delhi - Darbhanga Special Fare Chhath Puja Special
рдирдИ рджрд┐рд▓реНрд▓реА - рджрд░рднрдВрдЧрд╛ рд╡рд┐рд╢реЗрд╖ рдХрд┐рд░рд╛рдпрд╛ рдЫрда рдкреВрдЬрд╛ рд╕реНрдкреЗрд╢рд▓

NDLS/New Delhi --> DBG/Darbhanga Junction

Updated: Nov 12 2023 (23:49) by KhagariaJn^~
Nov 12 2023 (23:49)
News
PNR
Forum
Time-Table
Availability
Fare Chart
Map
Arr/Dep History
Trips
Gallery
ΣChains
X/O
Timeline
Train Pics
Tips

Hide intermediate Stations

7 halts. 184 intermediate Stations between New Delhi and Darbhanga Junction
#1
0.0 km
/==/
Zone: NR
Speed: 52
Elev: 214m

19:35
Day: 1
#1.1
1.1 km
/==/
Zone: NR
Speed: 52
Elev: 216m
19:36
19:36
Day: 1
#1.2
2.4 km
/==/
Zone: NR
Speed: 52
Elev: 215m
19:38
19:38
Day: 1
#1.3
8.8 km
/==/
Zone: NR
Speed: 52
Elev: 206m
19:45
19:45
Day: 1
#1.4
12.3 km
/==/
Zone: NR
Speed: 52
Elev: 207m
19:49
19:49
Day: 1
#1.5
14.1 km
/==/
Zone: NR
Speed: 52
Elev: 205m
19:51
19:51
Day: 1
#1.6
14.9 km
/==/
Zone: NR
Speed: 52
19:52
19:52
Day: 1
#1.7
18.1 km
/==/
Zone: NR
Speed: 52
Elev: 206m
19:56
19:56
Day: 1
#1.8
24.8 km
/==/
Zone: NR
Speed: 52
Elev: 217m
20:03
20:03
Day: 1
#1.9
32.1 km
/==/
Zone: NR
Speed: 52
20:12
20:12
Day: 1
#1.10
35.0 km
/==/
Zone: NR
Speed: 52
20:15
20:15
Day: 1
#1.11
38.1 km
/==/
Zone: NR
Speed: 52
20:19
20:19
Day: 1
#1.12
43.7 km
/==/
Zone: NR
Speed: 52
20:25
20:25
Day: 1
#1.13
50.4 km
/==/
Zone: NR
Speed: 52
20:33
20:33
Day: 1
#1.14
54.8 km
/==/
Zone: NR
Speed: 52
20:38
20:38
Day: 1
#1.15
61.6 km
/==/
Zone: NR
Speed: 52
Elev: 214m
20:46
20:46
Day: 1
#1.16
69.4 km
/==/
Zone: NR
Speed: 52
20:55
20:55
Day: 1
#1.17
75.1 km
/==/
Zone: NR
Speed: 52
21:01
21:01
Day: 1
#1.18
79.8 km
/==/
Zone: NR
Speed: 52
Elev: 217m
21:06
21:06
Day: 1
#1.19
82.0 km
/==/
Zone: NR
Speed: 52
Elev: 217m
21:09
21:09
Day: 1
#1.20
91.6 km
/==/
Zone: NR
Speed: 52
Elev: 220m
21:20
21:20
Day: 1
#1.21
98.3 km
/==/
Zone: NR
Speed: 52
21:28
21:28
Day: 1
#1.22
104.6 km
/==/
Zone: NR
Speed: 52
21:35
21:35
Day: 1
#1.23
112.2 km
/==/
Zone: NR
Speed: 52
Elev: 208m
21:44
21:44
Day: 1
#1.24
119.4 km
/==/
Zone: NR
Speed: 52
Elev: 215m
21:52
21:52
Day: 1
#1.25
123.4 km
/==/
Zone: NR
Speed: 52
Elev: 216m
21:57
21:57
Day: 1
#1.26
135.1 km
/==/
Zone: NR
Speed: 52
Elev: 216m
22:10
22:10
Day: 1
#1.27
143.6 km
/==/
Zone: NR
Speed: 52
Elev: 212m
22:20
22:20
Day: 1
#1.28
148.9 km
/==/
Zone: NR
Speed: 52
Elev: 203m
22:26
22:26
Day: 1
#1.29
153.4 km
/==/
Zone: NR
Speed: 52
Elev: 201m
22:31
22:31
Day: 1
#1.30
158.4 km
/==/
Zone: NR
Speed: 52
Elev: 198m
22:37
22:37
Day: 1
#1.31
163.5 km
/==/
Zone: NR
Speed: 52
Elev: 196m
22:42
22:42
Day: 1
#2
165.7 km
/==/
Zone: NR
Speed: 65
Elev: 193m
22:45
22:53
Day: 1
#2.1
169.4 km
/==/
Zone: NR
Speed: 65
22:56
22:56
Day: 1
#2.2
170.3 km
/==/
Zone: NR
PF#: 1
Speed: 65
22:57
22:57
Day: 1
#2.3
171.2 km
/==/
Zone: NR
Speed: 65
Elev: 194m
22:58
22:58
Day: 1
#2.4
177.8 km
/==/
Zone: NR
Speed: 65
Elev: 195m
23:04
23:04
Day: 1
#2.5
184.2 km
/==/
Zone: NR
Speed: 65
Elev: 191m
23:10
23:10
Day: 1
#2.6
192.9 km
/==/
Zone: NR
Speed: 65
Elev: 191m
23:18
23:18
Day: 1
#2.7
199.3 km
/==/
Zone: NR
Speed: 65
Elev: 186m
23:24
23:24
Day: 1
#2.8
204.8 km
/==/
Zone: NR
PF#: 1
Speed: 65
Elev: 184m
23:29
23:29
Day: 1
#2.9
210.2 km
/==/
Zone: NR
PF#: 1
Speed: 65
Elev: 180m
23:34
23:34
Day: 1
#2.10
216.1 km
/==/
Zone: NR
Speed: 65
Elev: 180m
23:39
23:39
Day: 1
#2.11
224.4 km
/==/
Zone: NR
PF#: 1
Speed: 65
Elev: 178m
23:47
23:47
Day: 1
#2.12
231.5 km
/==/
Zone: NR
PF#: 1
Speed: 65
Elev: 174m
23:53
23:53
Day: 1
#2.13
237.7 km
/==/
Zone: NR
Speed: 65
Elev: 173m
23:59
23:59
Day: 1
#2.14
243.1 km
/==/
Zone: NR
Speed: 65
Elev: 170m
00:04
00:04
Day: 2
#2.15
248.1 km
/==/
Zone: NR
Speed: 65
Elev: 172m
00:09
00:09
Day: 2
#3
256.0 km
/==/
Zone: NR
Speed: 70
Elev: 169m
00:16
00:18
Day: 2
#3.1
259.5 km
/==/
Zone: NR
Speed: 70
Elev: 165m
00:21
00:21
Day: 2
#3.2
266.4 km
/==/
Zone: NR
PF#: 1
Speed: 70
Elev: 174m
00:27
00:27
Day: 2
#3.3
275.9 km
/==/
Zone: NR
Speed: 70
Elev: 170m
00:35
00:35
Day: 2
#3.4
284.4 km
/==/
Zone: NR
PF#: 1
Speed: 70
Elev: 165m
00:42
00:42
Day: 2
#3.5
291.7 km
/==/
Zone: NR
Speed: 70
Elev: 163m
00:49
00:49
Day: 2
#3.6
298.5 km
/==/
Zone: NR
Speed: 70
Elev: 162m
00:55
00:55
Day: 2
#3.7
304.7 km
/==/
Zone: NR
Speed: 70
Elev: 158m
01:00
01:00
Day: 2
#3.8
308.1 km
/==/
Zone: NR
Speed: 70
Elev: 157m
01:03
01:03
Day: 2
#3.9
314.6 km
/==/
Zone: NR
PF#: 1
Speed: 70
Elev: 154m
01:08
01:08
Day: 2
#3.10
318.1 km
/==/
Zone: NR
Speed: 70
01:11
01:11
Day: 2
#3.11
326.5 km
/==/
Zone: NR
Speed: 70
Elev: 155m
01:19
01:19
Day: 2
#3.12
328.3 km
/==/
Zone: NR
Speed: 70
Elev: 157m
01:20
01:20
Day: 2
#3.13
334.1 km
/==/
Zone: NR
Speed: 70
Elev: 155m
01:25
01:25
Day: 2
#3.14
338.6 km
/==/
Zone: NR
PF#: 1
Speed: 70
Elev: 153m
01:29
01:29
Day: 2
#3.15
342.6 km
/==/
Zone: NR
Speed: 70
Elev: 154m
01:33
01:33
Day: 2
#3.16
350.8 km
/==/
Zone: NR
Speed: 70
Elev: 153m
01:40
01:40
Day: 2
#3.17
357.3 km
/==/
Zone: NR
Speed: 70
Elev: 149m
01:45
01:45
Day: 2
#3.18
363.2 km
/==/
Zone: NR
Speed: 70
Elev: 149m
01:50
01:50
Day: 2
#3.19
365.6 km
/==/
Zone: NR
Speed: 70
Elev: 148m
01:52
01:52
Day: 2
#3.20
372.2 km
/==/
Zone: NR
Speed: 70
Elev: 147m
01:58
01:58
Day: 2
#3.21
380.9 km
/==/
Zone: NR
Speed: 70
Elev: 149m
02:05
02:05
Day: 2
#3.22
389.4 km
/==/
Zone: NR
Speed: 70
Elev: 141m
02:13
02:13
Day: 2
#3.23
399.6 km
/==/
Zone: NR
Speed: 70
Elev: 143m
02:22
02:22
Day: 2
#3.24
407.0 km
/==/
Zone: NR
Speed: 70
Elev: 141m
02:28
02:28
Day: 2
#3.25
413.8 km
/==/
Zone: NR
Speed: 70
Elev: 141m
02:34
02:34
Day: 2
#3.26
422.5 km
/==/
Zone: NR
Speed: 70
Elev: 136m
02:41
02:41
Day: 2
#3.27
431.1 km
/==/
Zone: NR
Speed: 70
02:49
02:49
Day: 2
#3.28
437.6 km
/==/
Zone: NR
Speed: 70
02:54
02:54
Day: 2
#3.29
442.8 km
/==/
Zone: NR
Speed: 70
Elev: 130m
02:59
02:59
Day: 2
#3.30
453.8 km
/==/
Zone: NR
Speed: 70
03:08
03:08
Day: 2
#3.31
461.5 km
/==/
Zone: NR
Speed: 70
03:15
03:15
Day: 2
#3.32
467.1 km
/==/
Zone: NR
Speed: 70
03:20
03:20
Day: 2
#3.33
477.0 km
/==/
Zone: NR
Speed: 70
03:28
03:28
Day: 2
#3.34
485.3 km
/==/
Zone: NR
Speed: 70
Elev: 123m
03:35
03:35
Day: 2
#3.35
489.1 km
/==/
Zone: NR
Speed: 70
03:39
03:39
Day: 2
#4
490.8 km
/==/
Zone: NR
Speed: 52
Elev: 124m
03:40
03:50
Day: 2
#4.1
494.5 km
/==/
Zone: NR
Speed: 52
Elev: 120m
03:54
03:54
Day: 2
#4.2
503.1 km
%≡≡%
Zone: NR
Speed: 52
04:04
04:04
Day: 2
#4.3
508.5 km
%≡≡%
Zone: NR
Speed: 52
Elev: 125m
04:10
04:10
Day: 2
#4.4
511.8 km
%≡≡%
Zone: NR
Speed: 52
04:14
04:14
Day: 2
#4.5
519.2 km
/==/
Zone: NR
Speed: 52
Elev: 125m
04:23
04:23
Day: 2
#4.6
527.3 km
/==/
Zone: NER
Speed: 52
Elev: 125m
04:32
04:32
Day: 2
#4.7
533.0 km
/==/
Zone: NER
Speed: 52
Elev: 124m
04:39
04:39
Day: 2
#4.8
536.7 km
/==/
Zone: NER
Speed: 52
Elev: 125m
04:43
04:43
Day: 2
#4.9
546.3 km
%≡≡%
Zone: NER
Speed: 52
04:54
04:54
Day: 2
#4.10
552.6 km
%≡≡%
Zone: NER
Speed: 52
Elev: 110m
05:01
05:01
Day: 2
#4.11
558.1 km
%≡≡%
Zone: NER
Speed: 52
Elev: 109m
05:07
05:07
Day: 2
#4.12
562.4 km
%≡≡%
Zone: NER
Speed: 52
Elev: 112m
05:12
05:12
Day: 2
#4.13
571.9 km
%≡≡%
Zone: NER
Speed: 52
Elev: 109m
05:23
05:23
Day: 2
#4.14
579.6 km
%≡≡%
Zone: NER
Speed: 52
Elev: 106m
05:32
05:32
Day: 2
#4.15
585.3 km
%≡≡%
Zone: NER
Speed: 52
Elev: 108m
05:39
05:39
Day: 2
#4.16
590.7 km
%≡≡%
Zone: NER
Speed: 52
Elev: 110m
05:45
05:45
Day: 2
#4.17
597.2 km
%≡≡%
Zone: NER
Speed: 52
Elev: 109m
05:52
05:52
Day: 2
#4.18
603.6 km
%≡≡%
Zone: NER
Speed: 52
Elev: 111m
06:00
06:00
Day: 2
#4.19
608.4 km
/==/
Zone: NER
Speed: 52
Elev: 105m
06:05
06:05
Day: 2
#4.20
616.3 km
/==/
Zone: NER
Speed: 52
Elev: 108m
06:14
06:14
Day: 2
#4.21
623.5 km
/==/
Zone: NER
Speed: 52
Elev: 110m
06:23
06:23
Day: 2
#4.22
630.5 km
/==/
Zone: NER
Speed: 52
Elev: 104m
06:31
06:31
Day: 2
#4.23
636.3 km
/==/
Zone: NER
Speed: 52
Elev: 106m
06:37
06:37
Day: 2
#4.24
641.6 km
/==/
Zone: NER
Speed: 52
Elev: 101m
06:43
06:43
Day: 2
#4.25
650.3 km
/==/
Zone: NER
Speed: 52
Elev: 106m
06:54
06:54
Day: 2
#4.26
654.7 km
/==/
Zone: NER
Speed: 52
Elev: 102m
06:58
06:58
Day: 2
#4.27
657.9 km
/==/
Zone: NER
Speed: 52
Elev: 100m
07:02
07:02
Day: 2
#4.28
660.5 km
/==/
Zone: NER
Speed: 52
Elev: 98m
07:05
07:05
Day: 2
#4.29
666.2 km
/==/
Zone: NER
Speed: 52
Elev: 96m
07:12
07:12
Day: 2
#4.30
673.8 km
/==/
Zone: NER
Speed: 52
Elev: 96m
07:21
07:21
Day: 2
#4.31
682.2 km
/==/
Zone: NER
Speed: 52
Elev: 94m
07:30
07:30
Day: 2
#4.32
690.4 km
/==/
Zone: NER
Speed: 52
Elev: 93m
07:40
07:40
Day: 2
#4.33
696.8 km
/==/
Zone: NER
Speed: 52
Elev: 91m
07:47
07:47
Day: 2
#4.34
704.4 km
/==/
Zone: NER
Speed: 52
Elev: 91m
07:56
07:56
Day: 2
#4.35
711.1 km
/==/
Zone: NER
Speed: 52
Elev: 89m
08:03
08:03
Day: 2
#4.36
718.6 km
/==/
Zone: NER
Speed: 52
Elev: 88m
08:12
08:12
Day: 2
#4.37
726.4 km
/==/
Zone: NER
Speed: 52
Elev: 84m
08:21
08:21
Day: 2
#4.38
734.9 km
/==/
Zone: NER
Speed: 52
Elev: 82m
08:31
08:31
Day: 2
#4.39
738.2 km
/==/
Zone: NER
PF#: 1
Speed: 52
Elev: 80m
08:35
08:35
Day: 2
#4.40
743.2 km
/==/
Zone: NER
Speed: 52
Elev: 80m
08:40
08:40
Day: 2
#4.41
749.5 km
/==/
Zone: NER
Speed: 52
Elev: 78m
08:48
08:48
Day: 2
#4.42
756.2 km
%≡≡%
Zone: NER
Speed: 52
Elev: 80m
08:55
08:55
Day: 2
#5
760.3 km
%≡≡%
Zone: NER
Speed: 37
Elev: 84m
09:00
09:15
Day: 2
#5.1
764.0 km
/--/
Zone: NER
Speed: 37
Elev: 86m
09:21
09:21
Day: 2
#5.2
771.2 km
/--/
Zone: NER
Speed: 37
Elev: 85m
09:32
09:32
Day: 2
#5.3
779.3 km
/--/
Zone: NER
Speed: 37
Elev: 86m
09:45
09:45
Day: 2
#5.4
786.6 km
/--/
Zone: NER
PF#: 1
Speed: 37
Elev: 88m
09:57
09:57
Day: 2
#5.5
790.9 km
/--/
Zone: NER
Speed: 37
Elev: 89m
10:04
10:04
Day: 2
#5.6
798.9 km
/--/
Zone: NER
Speed: 37
10:17
10:17
Day: 2
#5.7
806.3 km
/--/
Zone: NER
Speed: 37
10:29
10:29
Day: 2
#5.8
813.9 km
/--/
Zone: NER
Speed: 37
10:41
10:41
Day: 2
#5.9
825.5 km
/--/
Zone: NER
PF#: 1
Speed: 37
11:00
11:00
Day: 2
#5.10
830.0 km
/--/
Zone: NER
PF#: 1
Speed: 37
11:07
11:07
Day: 2
#5.11
839.7 km
/--/
Zone: NER
Speed: 37
11:22
11:22
Day: 2
#5.12
846.5 km
/--/
Zone: NER
Speed: 37
11:33
11:33
Day: 2
#5.13
859.6 km
/==/
Zone: ECR
Speed: 37
11:54
11:54
Day: 2
#5.14
863.9 km
/==/
Zone: ECR
Speed: 37
12:01
12:01
Day: 2
#5.15
868.7 km
/==/
Zone: ECR
Speed: 37
12:09
12:09
Day: 2
#5.16
877.3 km
/==/
Zone: ECR
Speed: 37
Elev: 97m
12:23
12:23
Day: 2
#5.17
885.9 km
/==/
Zone: ECR
Speed: 37
12:36
12:36
Day: 2
#5.18
894.4 km
/==/
Zone: ECR
PF#: 1
Speed: 37
12:50
12:50
Day: 2
#5.19
902.5 km
/==/
Zone: ECR
Speed: 37
Elev: 93m
13:03
13:03
Day: 2
#6
909.9 km
/==/
Zone: ECR
Speed: 61
13:15
13:20
Day: 2
#6.1
918.7 km
/--/
Zone: ECR
PF#: 1
Speed: 61
Elev: 88m
13:29
13:29
Day: 2
#6.2
925.9 km
/--/
Zone: ECR
PF#: 1
Speed: 61
Elev: 82m
13:36
13:36
Day: 2
#6.3
928.8 km
/--/
Zone: ECR
PF#: 1
Speed: 61
Elev: 82m
13:39
13:39
Day: 2
#6.4
933.6 km
/--/
Zone: ECR
Speed: 61
Elev: 86m
13:43
13:43
Day: 2
#6.5
938.1 km
/--/
Zone: ECR
PF#: 1
Speed: 61
Elev: 80m
13:48
13:48
Day: 2
#6.6
943.1 km
/--/
Zone: ECR
Speed: 61
Elev: 83m
13:53
13:53
Day: 2
#7
950.4 km
/--/
Zone: ECR
Speed: 58
Elev: 80m
14:00
14:05
Day: 2
#7.1
956.4 km
/--/
Zone: ECR
PF#: 1
Speed: 58
Elev: 84m
14:11
14:11
Day: 2
#7.2
962.6 km
/--/
Zone: ECR
Speed: 58
Elev: 83m
14:18
14:18
Day: 2
#7.3
968.8 km
/--/
Zone: ECR
PF#: 1
Speed: 58
Elev: 79m
14:24
14:24
Day: 2
#7.4
974.2 km
/--/
Zone: ECR
Speed: 58
Elev: 80m
14:30
14:30
Day: 2
#7.5
980.0 km
/--/
Zone: ECR
PF#: 1
Speed: 58
Elev: 80m
14:35
14:35
Day: 2
#7.6
985.9 km
/--/
Zone: ECR
Speed: 58
Elev: 82m
14:42
14:42
Day: 2
#7.7
991.2 km
/--/
Zone: ECR
PF#: 1
Speed: 58
Elev: 77m
14:47
14:47
Day: 2
#7.8
993.9 km
/--/
Zone: ECR
PF#: 1
Speed: 58
Elev: 79m
14:50
14:50
Day: 2
#7.9
998.8 km
/--/
Zone: ECR
PF#: 1
Speed: 58
Elev: 75m
14:55
14:55
Day: 2
#7.10
1003.8 km
/--/
Zone: ECR
Speed: 58
Elev: 77m
15:00
15:00
Day: 2
#7.11
1012.3 km
/--/
Zone: ECR
PF#: 1
Speed: 58
Elev: 75m
15:09
15:09
Day: 2
#7.12
1018.2 km
/--/
Zone: ECR
PF#: 1
Speed: 58
Elev: 71m
15:15
15:15
Day: 2
#7.13
1023.6 km
/--/
Zone: ECR
Speed: 58
Elev: 72m
15:20
15:20
Day: 2
#7.14
1027.1 km
/--/
Zone: ECR
PF#: 1
Speed: 58
Elev: 68m
15:24
15:24
Day: 2
#8
1032.9 km
/--/
Zone: ECR
Speed: 58
Elev: 69m
15:30
15:35
Day: 2
#8.1
1036.4 km
/--/
Zone: ECR
Speed: 58
Elev: 68m
15:39
15:39
Day: 2
#8.2
1040.5 km
/--/
Zone: ECR
Speed: 58
Elev: 66m
15:43
15:43
Day: 2
#8.3
1046.3 km
/--/
Zone: ECR
Speed: 58
Elev: 64m
15:49
15:49
Day: 2
#8.4
1051.3 km
/--/
Zone: ECR
Speed: 58
Elev: 60m
15:54
15:54
Day: 2
#8.5
1053.5 km
/--/
Zone: ECR
PF#: 1
Speed: 58
Elev: 64m
15:56
15:56
Day: 2
#8.6
1057.9 km
/--/
Zone: ECR
Speed: 58
16:01
16:01
Day: 2
#8.7
1061.3 km
/--/
Zone: ECR
PF#: 1
Speed: 58
16:04
16:04
Day: 2
#8.8
1066.2 km
/--/
Zone: ECR
Speed: 58
16:09
16:09
Day: 2
#8.9
1070.7 km
/--/
Zone: ECR
PF#: 1
Speed: 58
16:14
16:14
Day: 2
#8.10
1073.2 km
/--/
Zone: ECR
PF#: 1
Speed: 58
16:17
16:17
Day: 2
#8.11
1077.5 km
/--/
Zone: ECR
Speed: 58
16:21
16:21
Day: 2
#8.12
1084.2 km
/--/
Zone: ECR
PF#: 1
Speed: 58
16:28
16:28
Day: 2
#8.13
1089.6 km
/--/
Zone: ECR
Speed: 58
16:33
16:33
Day: 2
#8.14
1093.6 km
/--/
Zone: ECR
PF#: 1
Speed: 58
Elev: 56m
16:37
16:37
Day: 2
#8.15
1096.0 km
/--/
Zone: ECR
Speed: 58
16:40
16:40
Day: 2
#9
1100.9 km
/--/
Zone: ECR

Elev: 49m
16:45

Day: 2
Scroll to Top
Scroll to Bottom
Go to Desktop site
Important Note: This website NEVER solicits for Money or Donations. Please beware of anyone requesting/demanding money on behalf of IRI. Thanks.
Disclaimer: This website has NO affiliation with the Government-run site of Indian Railways. This site does NOT claim 100% accuracy of fast-changing Rail Information. YOU are responsible for independently confirming the validity of information through other sources.
India Rail Info Privacy Policy