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

Chetak Express: - यार तेरा चेतक पे चले ❤️ - Keshav Saxena

Search Gallery
Post PNR
Description/Uses/Merits of this ΣChain
Chain linking areas of Kerala, Coastal Karnataka, Goa and Western Maharashtra with holy city of Katra

19345/Σ Kochuveli-Katra Trikuta Exp ΣChain


Created: Jul 13 2014 (19:02) by Raghu Chims

Change Departure Station:
Change Arrival Station:

04
ΣChain Tabs:

Picture & Video Gallery

Page#    Showing 26 to 50 of 427 Pic/Video Blogs  <<prev  next>>

12217/Kerala Sampark Kranti Express

CAN/Kannur (Cannanore)


40359 views
0

Sampark Kranti arrives Cannanore
×

12217/Kerala Sampark Kranti Express

CAN/Kannur (Cannanore)


40359 views
0

Sampark Kranti arrives Cannanore
×

12217/Kerala Sampark Kranti Express


34512 views
2

Tvc divn Train regulation on 11/12/22
×

12217/Kerala Sampark Kranti Express


34512 views
2

Tvc divn Train regulation on 11/12/22
×

12218/Kerala Sampark Kranti Express

MAO/Madgaon Junction


231553 views
7

Some more trains with electric loco in Konkan railway from 19/11/2022.
×

16179 views
0

@SNP   24m late@SNP: Sonipat Jn &0 km/h #22461: Shri Shakti AC Express brutally thrashing
×

22461/Shri Shakti AC SF Express

NDLS/New Delhi


39731 views
4

22461 Shri Shakti Express at New Delhi.
×

22461/Shri Shakti AC SF Express

NDLS/New Delhi


39731 views
4

22461 Shri Shakti Express at New Delhi.
×

12217/Kerala Sampark Kranti Express

CDG/Chandigarh Junction

BRC/WAP-7/30531


45426 views
9

12217 Kerala Sampark Kranti Express with BRC Fortune WAP7 30531 and 15011 Lucknow Chandigarh Express with Erode WAP4 22526 near Chandigarh at good speed
×

12217/Kerala Sampark Kranti Express

CDG/Chandigarh Junction

BRC/WAP-7/30531


45426 views
9

12217 Kerala Sampark Kranti Express with BRC Fortune WAP7 30531 and 15011 Lucknow Chandigarh Express with Erode WAP4 22526 near Chandigarh at good speed
×

12217/Kerala Sampark Kranti Express

CDG/Chandigarh Junction

BRC/WAP-7/30531


45426 views
9

12217 Kerala Sampark Kranti Express with BRC Fortune WAP7 30531 and 15011 Lucknow Chandigarh Express with Erode WAP4 22526 near Chandigarh at good speed
×

12217/Kerala Sampark Kranti Express

CDG/Chandigarh Junction

BRC/WAP-7/30531


45426 views
9

12217 Kerala Sampark Kranti Express with BRC Fortune WAP7 30531 and 15011 Lucknow Chandigarh Express with Erode WAP4 22526 near Chandigarh at good speed
×

28879 views
0

@AMPA   44m late@AMPA: Ambalappuzha &0 km/h #12217: Kerala Sampark Kranti Express
×

26031 views
0

1 km from @DSB   3h 58m late@NDLS: New Delhi &7 km/h #22461: Shri Shakti AC Express shunting
×

12217/Kerala Sampark Kranti Express

CDG/Chandigarh Junction

BRC/WAP-7/37303


28721 views
4

12217 Kochuveli Chandigarh Kerala Sampark Kranti Express led by BRC WAP7 37303 curving towards Chandigarh and a man jumping from it at the outer
×

12217/Kerala Sampark Kranti Express

CDG/Chandigarh Junction

BRC/WAP-7/37303


28721 views
4

12217 Kochuveli Chandigarh Kerala Sampark Kranti Express led by BRC WAP7 37303 curving towards Chandigarh and a man jumping from it at the outer
×

12217/Kerala Sampark Kranti Express

CDG/Chandigarh Junction

BRC/WAP-7/37303


28721 views
4

12217 Kochuveli Chandigarh Kerala Sampark Kranti Express led by BRC WAP7 37303 curving towards Chandigarh and a man jumping from it at the outer
×

12217/Kerala Sampark Kranti Express

CDG/Chandigarh Junction

BRC/WAP-7/37303


28721 views
4

12217 Kochuveli Chandigarh Kerala Sampark Kranti Express led by BRC WAP7 37303 curving towards Chandigarh and a man jumping from it at the outer
×

12217/Kerala Sampark Kranti Express

CDG/Chandigarh Junction

BRC/WAP-7/37303


28721 views
4

12217 Kochuveli Chandigarh Kerala Sampark Kranti Express led by BRC WAP7 37303 curving towards Chandigarh and a man jumping from it at the outer
×

12983/Ajmer - Chandigarh Garib Rath Express

CDG/Chandigarh Junction

BRC/WAP-7/37328


313808 views
8

A compilation of 10 high speed and morning trains cruising between Chandigarh and Ambala Cantt section of NR Ambala division. All the trains were hauled by WAPPIEs i.e WAP4, WAP5 and WAP7 and were running at high speeds.The trains capture were:12983 Ajmer Chandigarh Garibrath Express hauled by BRC WAP7 37328 crossing Ghaggar Bridge on its way to Chandigarh.12006 Kalka New Delhi Shatabdi Express with Howrah WAP7 39060.19717 Sabarmati Daulatpur Chowk Intercity Hauled by BRC WAP5 3017312058 Una Himachal New Delhi Jan Shatabdi Express with TKD WAP7 30599.12688 Chandigarh Madurai SF Express with offlink DDU WAP4 22859.14217 Unchahar Express with offlink DDU...
×

12983/Ajmer - Chandigarh Garib Rath Express

CDG/Chandigarh Junction

BRC/WAP-7/37328


313808 views
8

A compilation of 10 high speed and morning trains cruising between Chandigarh and Ambala Cantt section of NR Ambala division. All the trains were hauled by WAPPIEs i.e WAP4, WAP5 and WAP7 and were running at high speeds.The trains capture were:12983 Ajmer Chandigarh Garibrath Express hauled by BRC WAP7 37328 crossing Ghaggar Bridge on its way to Chandigarh.12006 Kalka New Delhi Shatabdi Express with Howrah WAP7 39060.19717 Sabarmati Daulatpur Chowk Intercity Hauled by BRC WAP5 3017312058 Una Himachal New Delhi Jan Shatabdi Express with TKD WAP7 30599.12688 Chandigarh Madurai SF Express with offlink DDU WAP4 22859.14217 Unchahar Express with offlink DDU...
×

12983/Ajmer - Chandigarh Garib Rath Express

CDG/Chandigarh Junction

BRC/WAP-7/37328


313808 views
8

A compilation of 10 high speed and morning trains cruising between Chandigarh and Ambala Cantt section of NR Ambala division. All the trains were hauled by WAPPIEs i.e WAP4, WAP5 and WAP7 and were running at high speeds.The trains capture were:12983 Ajmer Chandigarh Garibrath Express hauled by BRC WAP7 37328 crossing Ghaggar Bridge on its way to Chandigarh.12006 Kalka New Delhi Shatabdi Express with Howrah WAP7 39060.19717 Sabarmati Daulatpur Chowk Intercity Hauled by BRC WAP5 3017312058 Una Himachal New Delhi Jan Shatabdi Express with TKD WAP7 30599.12688 Chandigarh Madurai SF Express with offlink DDU WAP4 22859.14217 Unchahar Express with offlink DDU...
×

12983/Ajmer - Chandigarh Garib Rath Express

CDG/Chandigarh Junction

BRC/WAP-7/37328


313808 views
8

A compilation of 10 high speed and morning trains cruising between Chandigarh and Ambala Cantt section of NR Ambala division. All the trains were hauled by WAPPIEs i.e WAP4, WAP5 and WAP7 and were running at high speeds.The trains capture were:12983 Ajmer Chandigarh Garibrath Express hauled by BRC WAP7 37328 crossing Ghaggar Bridge on its way to Chandigarh.12006 Kalka New Delhi Shatabdi Express with Howrah WAP7 39060.19717 Sabarmati Daulatpur Chowk Intercity Hauled by BRC WAP5 3017312058 Una Himachal New Delhi Jan Shatabdi Express with TKD WAP7 30599.12688 Chandigarh Madurai SF Express with offlink DDU WAP4 22859.14217 Unchahar Express with offlink DDU...
×

12983/Ajmer - Chandigarh Garib Rath Express

CDG/Chandigarh Junction

BRC/WAP-7/37328


313808 views
8

A compilation of 10 high speed and morning trains cruising between Chandigarh and Ambala Cantt section of NR Ambala division. All the trains were hauled by WAPPIEs i.e WAP4, WAP5 and WAP7 and were running at high speeds.The trains capture were:12983 Ajmer Chandigarh Garibrath Express hauled by BRC WAP7 37328 crossing Ghaggar Bridge on its way to Chandigarh.12006 Kalka New Delhi Shatabdi Express with Howrah WAP7 39060.19717 Sabarmati Daulatpur Chowk Intercity Hauled by BRC WAP5 3017312058 Una Himachal New Delhi Jan Shatabdi Express with TKD WAP7 30599.12688 Chandigarh Madurai SF Express with offlink DDU WAP4 22859.14217 Unchahar Express with offlink DDU...
×

12983/Ajmer - Chandigarh Garib Rath Express

CDG/Chandigarh Junction

BRC/WAP-7/37328


313808 views
8

A compilation of 10 high speed and morning trains cruising between Chandigarh and Ambala Cantt section of NR Ambala division. All the trains were hauled by WAPPIEs i.e WAP4, WAP5 and WAP7 and were running at high speeds.The trains capture were:12983 Ajmer Chandigarh Garibrath Express hauled by BRC WAP7 37328 crossing Ghaggar Bridge on its way to Chandigarh.12006 Kalka New Delhi Shatabdi Express with Howrah WAP7 39060.19717 Sabarmati Daulatpur Chowk Intercity Hauled by BRC WAP5 3017312058 Una Himachal New Delhi Jan Shatabdi Express with TKD WAP7 30599.12688 Chandigarh Madurai SF Express with offlink DDU WAP4 22859.14217 Unchahar Express with offlink DDU...
×

12983/Ajmer - Chandigarh Garib Rath Express

CDG/Chandigarh Junction

BRC/WAP-7/37328


313808 views
8

A compilation of 10 high speed and morning trains cruising between Chandigarh and Ambala Cantt section of NR Ambala division. All the trains were hauled by WAPPIEs i.e WAP4, WAP5 and WAP7 and were running at high speeds.The trains capture were:12983 Ajmer Chandigarh Garibrath Express hauled by BRC WAP7 37328 crossing Ghaggar Bridge on its way to Chandigarh.12006 Kalka New Delhi Shatabdi Express with Howrah WAP7 39060.19717 Sabarmati Daulatpur Chowk Intercity Hauled by BRC WAP5 3017312058 Una Himachal New Delhi Jan Shatabdi Express with TKD WAP7 30599.12688 Chandigarh Madurai SF Express with offlink DDU WAP4 22859.14217 Unchahar Express with offlink DDU...
×

12983/Ajmer - Chandigarh Garib Rath Express

CDG/Chandigarh Junction

BRC/WAP-7/37328


313808 views
8

A compilation of 10 high speed and morning trains cruising between Chandigarh and Ambala Cantt section of NR Ambala division. All the trains were hauled by WAPPIEs i.e WAP4, WAP5 and WAP7 and were running at high speeds.The trains capture were:12983 Ajmer Chandigarh Garibrath Express hauled by BRC WAP7 37328 crossing Ghaggar Bridge on its way to Chandigarh.12006 Kalka New Delhi Shatabdi Express with Howrah WAP7 39060.19717 Sabarmati Daulatpur Chowk Intercity Hauled by BRC WAP5 3017312058 Una Himachal New Delhi Jan Shatabdi Express with TKD WAP7 30599.12688 Chandigarh Madurai SF Express with offlink DDU WAP4 22859.14217 Unchahar Express with offlink DDU...
×

12983/Ajmer - Chandigarh Garib Rath Express

CDG/Chandigarh Junction

BRC/WAP-7/37328


313808 views
8

A compilation of 10 high speed and morning trains cruising between Chandigarh and Ambala Cantt section of NR Ambala division. All the trains were hauled by WAPPIEs i.e WAP4, WAP5 and WAP7 and were running at high speeds.The trains capture were:12983 Ajmer Chandigarh Garibrath Express hauled by BRC WAP7 37328 crossing Ghaggar Bridge on its way to Chandigarh.12006 Kalka New Delhi Shatabdi Express with Howrah WAP7 39060.19717 Sabarmati Daulatpur Chowk Intercity Hauled by BRC WAP5 3017312058 Una Himachal New Delhi Jan Shatabdi Express with TKD WAP7 30599.12688 Chandigarh Madurai SF Express with offlink DDU WAP4 22859.14217 Unchahar Express with offlink DDU...
×

12983/Ajmer - Chandigarh Garib Rath Express

CDG/Chandigarh Junction

BRC/WAP-7/37328


313808 views
8

A compilation of 10 high speed and morning trains cruising between Chandigarh and Ambala Cantt section of NR Ambala division. All the trains were hauled by WAPPIEs i.e WAP4, WAP5 and WAP7 and were running at high speeds.The trains capture were:12983 Ajmer Chandigarh Garibrath Express hauled by BRC WAP7 37328 crossing Ghaggar Bridge on its way to Chandigarh.12006 Kalka New Delhi Shatabdi Express with Howrah WAP7 39060.19717 Sabarmati Daulatpur Chowk Intercity Hauled by BRC WAP5 3017312058 Una Himachal New Delhi Jan Shatabdi Express with TKD WAP7 30599.12688 Chandigarh Madurai SF Express with offlink DDU WAP4 22859.14217 Unchahar Express with offlink DDU...
×

12217/Kerala Sampark Kranti Express

TUVR/Turavur

RPM/WAP-7/30545


24653 views
6

Freshly Painted Royapuram WAP-7 #30545 cruising at MPS through Turavur with the 12217 Kochuveli ⇌ Chandigarh Kerala Sampark Kranti Express 🔥❣️
×

12217/Kerala Sampark Kranti Express

BSR/Vasai Road


36726 views
1

Arrival of Kochuveli - Chandigarh Kerala Sampark Kranti Express at Vasai Road Railway station
×

12217/Kerala Sampark Kranti Express

BSR/Vasai Road


36726 views
1

Arrival of Kochuveli - Chandigarh Kerala Sampark Kranti Express at Vasai Road Railway station
×

14147 views
0

@BZJT   19m early@BZJT: Bazida Jatan &19 km/h #12217: Kerala Sampark Kranti Express xing
×

14147 views
0

@BZJT   19m early@BZJT: Bazida Jatan &19 km/h #12217: Kerala Sampark Kranti Express xing
×

14147 views
0

@BZJT   19m early@BZJT: Bazida Jatan &19 km/h #12217: Kerala Sampark Kranti Express xing
×

14147 views
0

@BZJT   19m early@BZJT: Bazida Jatan &19 km/h #12217: Kerala Sampark Kranti Express xing
×

14147 views
0

@BZJT   19m early@BZJT: Bazida Jatan &19 km/h #12217: Kerala Sampark Kranti Express xing
×

14147 views
0

@BZJT   19m early@BZJT: Bazida Jatan &19 km/h #12217: Kerala Sampark Kranti Express xing
×

14147 views
0

@BZJT   19m early@BZJT: Bazida Jatan &19 km/h #12217: Kerala Sampark Kranti Express xing
×

14147 views
0

@BZJT   19m early@BZJT: Bazida Jatan &19 km/h #12217: Kerala Sampark Kranti Express xing
×

12217/Kerala Sampark Kranti Express

ALLP/Alappuzha (Alleppey)

GOC/WDM-3A/16632


39680 views
11

Alco twins with ICF KSK, those old ICF days.SR Golden Rock Alco WDM 3A twins leaving Alappuzha with the longest running Sampark Kranti Express of Indian Railways ICF NR 12217 KCVL - CDG Kerala Sampark Kranti (KSK) Superfast Express.Alappuzha (ALLP), Southern Railway (SR)
×

23789 views
0

#22461: Shri Shakti AC Express
×

22440/Shri Mata Vaishno Devi Katra - New Delhi Vande Bharat Express

JAT/Jammu Tawi


716476 views
7

A long queue of trains from Jammu Tawi to Kathua due to doubling work of Kathua - Madhopur section04672 Katra - Delhi Holi Special halted at Kathua12426 Jammu Rajdhani halted at Budhi12446 Uttar Sampark Kranti halted at Chhan arrorian14606 Jammu - Haridwar halted at Hira Nagar14662 Jammu - Barmer halted at Ghagwal12332 Himgiri Express halted at Samba12208 Jammu Garibrath halted at Bari Brahaman11078 Jhelum Express and 19804 Katra - Kota halted at Jammu TawiAfter few hours UP Trains will start coming22461 Shri Shakti Express14609 Hemkunt Express12425 Jammu Rajdhani Express14645 Shalimaar Express12445 Uttar Sampark Kranti Express14033 Jammu Mail12413 Pooja Express12265 Jammu Duronto...
×

22440/Shri Mata Vaishno Devi Katra - New Delhi Vande Bharat Express

JAT/Jammu Tawi


716476 views
7

A long queue of trains from Jammu Tawi to Kathua due to doubling work of Kathua - Madhopur section04672 Katra - Delhi Holi Special halted at Kathua12426 Jammu Rajdhani halted at Budhi12446 Uttar Sampark Kranti halted at Chhan arrorian14606 Jammu - Haridwar halted at Hira Nagar14662 Jammu - Barmer halted at Ghagwal12332 Himgiri Express halted at Samba12208 Jammu Garibrath halted at Bari Brahaman11078 Jhelum Express and 19804 Katra - Kota halted at Jammu TawiAfter few hours UP Trains will start coming22461 Shri Shakti Express14609 Hemkunt Express12425 Jammu Rajdhani Express14645 Shalimaar Express12445 Uttar Sampark Kranti Express14033 Jammu Mail12413 Pooja Express12265 Jammu Duronto...
×

22440/Shri Mata Vaishno Devi Katra - New Delhi Vande Bharat Express

JAT/Jammu Tawi


716476 views
7

A long queue of trains from Jammu Tawi to Kathua due to doubling work of Kathua - Madhopur section04672 Katra - Delhi Holi Special halted at Kathua12426 Jammu Rajdhani halted at Budhi12446 Uttar Sampark Kranti halted at Chhan arrorian14606 Jammu - Haridwar halted at Hira Nagar14662 Jammu - Barmer halted at Ghagwal12332 Himgiri Express halted at Samba12208 Jammu Garibrath halted at Bari Brahaman11078 Jhelum Express and 19804 Katra - Kota halted at Jammu TawiAfter few hours UP Trains will start coming22461 Shri Shakti Express14609 Hemkunt Express12425 Jammu Rajdhani Express14645 Shalimaar Express12445 Uttar Sampark Kranti Express14033 Jammu Mail12413 Pooja Express12265 Jammu Duronto...
×

22440/Shri Mata Vaishno Devi Katra - New Delhi Vande Bharat Express

JAT/Jammu Tawi


716476 views
7

A long queue of trains from Jammu Tawi to Kathua due to doubling work of Kathua - Madhopur section04672 Katra - Delhi Holi Special halted at Kathua12426 Jammu Rajdhani halted at Budhi12446 Uttar Sampark Kranti halted at Chhan arrorian14606 Jammu - Haridwar halted at Hira Nagar14662 Jammu - Barmer halted at Ghagwal12332 Himgiri Express halted at Samba12208 Jammu Garibrath halted at Bari Brahaman11078 Jhelum Express and 19804 Katra - Kota halted at Jammu TawiAfter few hours UP Trains will start coming22461 Shri Shakti Express14609 Hemkunt Express12425 Jammu Rajdhani Express14645 Shalimaar Express12445 Uttar Sampark Kranti Express14033 Jammu Mail12413 Pooja Express12265 Jammu Duronto...
×

22440/Shri Mata Vaishno Devi Katra - New Delhi Vande Bharat Express

JAT/Jammu Tawi


716476 views
7

A long queue of trains from Jammu Tawi to Kathua due to doubling work of Kathua - Madhopur section04672 Katra - Delhi Holi Special halted at Kathua12426 Jammu Rajdhani halted at Budhi12446 Uttar Sampark Kranti halted at Chhan arrorian14606 Jammu - Haridwar halted at Hira Nagar14662 Jammu - Barmer halted at Ghagwal12332 Himgiri Express halted at Samba12208 Jammu Garibrath halted at Bari Brahaman11078 Jhelum Express and 19804 Katra - Kota halted at Jammu TawiAfter few hours UP Trains will start coming22461 Shri Shakti Express14609 Hemkunt Express12425 Jammu Rajdhani Express14645 Shalimaar Express12445 Uttar Sampark Kranti Express14033 Jammu Mail12413 Pooja Express12265 Jammu Duronto...
×

22440/Shri Mata Vaishno Devi Katra - New Delhi Vande Bharat Express

JAT/Jammu Tawi


716476 views
7

A long queue of trains from Jammu Tawi to Kathua due to doubling work of Kathua - Madhopur section04672 Katra - Delhi Holi Special halted at Kathua12426 Jammu Rajdhani halted at Budhi12446 Uttar Sampark Kranti halted at Chhan arrorian14606 Jammu - Haridwar halted at Hira Nagar14662 Jammu - Barmer halted at Ghagwal12332 Himgiri Express halted at Samba12208 Jammu Garibrath halted at Bari Brahaman11078 Jhelum Express and 19804 Katra - Kota halted at Jammu TawiAfter few hours UP Trains will start coming22461 Shri Shakti Express14609 Hemkunt Express12425 Jammu Rajdhani Express14645 Shalimaar Express12445 Uttar Sampark Kranti Express14033 Jammu Mail12413 Pooja Express12265 Jammu Duronto...
×

22440/Shri Mata Vaishno Devi Katra - New Delhi Vande Bharat Express

JAT/Jammu Tawi


716476 views
7

A long queue of trains from Jammu Tawi to Kathua due to doubling work of Kathua - Madhopur section04672 Katra - Delhi Holi Special halted at Kathua12426 Jammu Rajdhani halted at Budhi12446 Uttar Sampark Kranti halted at Chhan arrorian14606 Jammu - Haridwar halted at Hira Nagar14662 Jammu - Barmer halted at Ghagwal12332 Himgiri Express halted at Samba12208 Jammu Garibrath halted at Bari Brahaman11078 Jhelum Express and 19804 Katra - Kota halted at Jammu TawiAfter few hours UP Trains will start coming22461 Shri Shakti Express14609 Hemkunt Express12425 Jammu Rajdhani Express14645 Shalimaar Express12445 Uttar Sampark Kranti Express14033 Jammu Mail12413 Pooja Express12265 Jammu Duronto...
×

22440/Shri Mata Vaishno Devi Katra - New Delhi Vande Bharat Express

JAT/Jammu Tawi


716476 views
7

A long queue of trains from Jammu Tawi to Kathua due to doubling work of Kathua - Madhopur section04672 Katra - Delhi Holi Special halted at Kathua12426 Jammu Rajdhani halted at Budhi12446 Uttar Sampark Kranti halted at Chhan arrorian14606 Jammu - Haridwar halted at Hira Nagar14662 Jammu - Barmer halted at Ghagwal12332 Himgiri Express halted at Samba12208 Jammu Garibrath halted at Bari Brahaman11078 Jhelum Express and 19804 Katra - Kota halted at Jammu TawiAfter few hours UP Trains will start coming22461 Shri Shakti Express14609 Hemkunt Express12425 Jammu Rajdhani Express14645 Shalimaar Express12445 Uttar Sampark Kranti Express14033 Jammu Mail12413 Pooja Express12265 Jammu Duronto...
×

12217/Kerala Sampark Kranti Express

BL/Valsad

ERS/WDP-4D/40440


21456 views
1

Glimpses of the Same Video!
×
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