Calcutta Chord link line (English Wikipedia)

"ECoR to run Holi special trains between Kolkata, Puri". Odisha News, Odisha Latest news, Odisha Daily - OrissaPOST. 12 March 2019. Retrieved 4 March 2022.

railpost.in (Global: low place; English: low place)

"ER commissions doubling of Bhattanagar -Baltikuri section". Archived from the original on 28 October 2021. Retrieved 7 November 2021.

web.archive.org (Global: 1^st place; English: 1^st place)

"Howrah Division System Map" (PDF). Archived (PDF) from the original on 10 July 2021. Retrieved 11 November 2021.
"Sealdah Division System Map" (PDF). Archived (PDF) from the original on 27 May 2021. Retrieved 11 November 2021.
"Kharagpur Division System Map". Archived from the original on 11 November 2021. Retrieved 11 November 2021.
"Details of Operating Department: Sealdah Division, Eastern Railway". Archived from the original on 30 May 2011. Retrieved 30 November 2021.
"Operating Department - Howrah Railway division, Eastern Railway". Eastern Railway. Archived from the original on 17 April 2021. Retrieved 4 March 2022.
"Highlights of TRS Organisation, Sealdah division, Eastern Railway". Archived from the original on 19 April 2020. Retrieved 30 November 2021.
"Estimates Committee - Ninety First Report (Third Lok Sabha) - Ministry of Railways - South Eastern Railway" (PDF). Archived (PDF) from the original on 11 November 2021. Retrieved 11 November 2021.
"SEALDAH-PURI DURONTO TO BE INTRDUCED". Archived from the original on 22 May 2014. Retrieved 21 October 2021.
"HOWRAH DIVISION : HISTORICAL PERSPECTIVE - THE FIRST JOURNEY". Archived from the original on 19 April 2020. Retrieved 21 October 2021.
"US Archive .org pdf download of 'History Of Indian Railways, constructed and in progress', 31 March 1937 by 'The Government of India - Railway Department' page 70 pdf 95" (PDF). Archived (PDF) from the original on 31 October 2020. Retrieved 28 October 2021.
"Speech of Dr. Ram Subhag Singh Introducing Railway Budget for 1969-70, on 19th February, 1969" (PDF). Archived (PDF) from the original on 15 April 2015. Retrieved 11 November 2021.
"History of Electrification". Archived from the original on 6 May 2006. Retrieved 21 October 2021.
"South Eastern Railway PROGRESS OF WORKS UNDER DEMAND 16 (As of May'21)" (PDF). Archived (PDF) from the original on 11 November 2021. Retrieved 11 November 2021.
"ER commissions doubling of Bhattanagar -Baltikuri section". Archived from the original on 28 October 2021. Retrieved 7 November 2021.
"Category of stations - Eastern Railway" (PDF). Archived (PDF) from the original on 24 December 2021. Retrieved 24 December 2021.

Calcutta Chord link line (English Wikipedia)

archive.org (Global: 6th place; English: 6th place)

ia801605.us.archive.org

barakbulletin.com (Global: low place; English: low place)

eparlib.nic.in (Global: 8,455th place; English: 4,514th place)

indianrailways.gov.in (Global: 2,097th place; English: 1,139th place)

er.indianrailways.gov.in

ser.indianrailways.gov.in

eastcoastrail.indianrailways.gov.in

indianrailways.gov.in

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st2.indiarailinfo.com

indiatimes.com (Global: 17th place; English: 15th place)

economictimes.indiatimes.com

irfca.org (Global: 3,664th place; English: 2,057th place)

orissapost.com (Global: low place; English: 6,703rd place)

railpost.in (Global: low place; English: low place)

web.archive.org (Global: 1st place; English: 1st place)

archive.org (Global: 6^th place; English: 6^th place)

eparlib.nic.in (Global: 8,455^th place; English: 4,514^th place)

indianrailways.gov.in (Global: 2,097^th place; English: 1,139^th place)

indiarailinfo.com (Global: 2,904^th place; English: 1,625^th place)

indiatimes.com (Global: 17^th place; English: 15^th place)

irfca.org (Global: 3,664^th place; English: 2,057^th place)

orissapost.com (Global: low place; English: 6,703^rd place)

web.archive.org (Global: 1^st place; English: 1^st place)