Grand chord

of Howrah–Delhi main line

and Howrah–Gaya–Delhi line

Mughalsarai Junction

to Sitarampur

via Howrah–Delhi main line

border

Sasaram

Nehru Setu bridge

across Son River

Son Nagar

to Barkakana

Anugrah Narayan Road

Patna–Gaya line

Gaya–Kiul line

border

Gujhandi

Koderma Junction

to Hazaribagh Town

to Giridih

to Bokaro Steel City

to Adra

border

to Mughalsarai

via Howrah–Delhi main line

Asansol Junction

to Howrah

Template:Rdt intro

Source: Google maps^{[full citation needed]}

Railways in Eastern India

National network/
trunk lines

Other lines/sections

Interstate	Asansol–Gaya section Asansol–Patna section Asansol–Tatanagar–Kharagpur line Barauni–Gorakhpur, Raxaul and Jainagar lines Barharwa–Azimganj–Katwa loop Barkakana–Son Nagar line Barsoi–New Farakka section Barsoi–Radhikapur branch line Dumka–Bhagalpur line Gaya–Mughalsarai section Hatia–Rourkela line Jasidih–Dumka–Rampurhat line Jharsuguda–Vizianagaram line Katihar–Siliguri line Kharagpur–Puri line Khurda Road–Visakhapatnam section Kothavalasa–Kirandul line New Jalpaiguri–Alipurduar–Samuktala Road line New Jalpaiguri–New Bongaigaon section Tatanagar–Bilaspur section
Bihar	Bakhtiyarpur–Tilaiya line Barauni–Katihar section Barauni–Samastipur section Fatuha–Tilaiya line Gaya–Kiul line Kothavalasa–Kirandul line Mokama–Barauni section Muzaffarpur–Gorakhpur line (via Hajipur, Raxaul and Sitamarhi) Muzaffarpur–Gorakhpur main line Muzaffarpur–Sitamarhi section Muzaffarpur–Hajipur section Narkatiaganj–Bhikhna Thori branch line Neora–Jatdumari–Daniyawan–Bihar Sharif–Sheikhpura line Patna–Gaya line Patna–Mughalsarai section Patna–Sonepur–Hajipur section Samastipur–Muzaffarpur section
Jharkhand	Barkakana–Netaji S.C.Bose Gomoh line Barkakana–Muri–Chandil line Dhanbad–Chandrapura line Railways in Jharia Coalfield Koderma–Hazaribagh–Barkakana–Ranchi line Madhupur–Giridih–Koderma line Netaji S.C.Bose Gomoh–Hatia line
Orissa	Khurda Road–Bolangir line Cuttack–Sambalpur line
West Bengal	Ahmadpur–Katwa line Alipurduar–Bamanhat branch line Andal–Sainthia branch line Bankura–Masagram line Bardhaman–Asansol section Bardhaman–Katwa line Darjeeling Himalayan Railway Eklakhi–Balurghat branch line Haldibari–New Jalpaiguri line Howrah–Bardhaman main line Howrah–Bardhaman chord Howrah–Kharagpur line Kharagpur–Bankura–Adra line Kolkata Circular Railway Lalgola and Gede branch lines New Mal–Changrabandha–New Cooch Behar line Santragachi–Amta branch line Sealdah–Ranaghat line Sealdah–Hasnabad–Bangaon–Ranaghat line Sealdah South lines Sheoraphuli–Bishnupur branch line

Suburban
rail transport

Monorail

Defunct lines

Revived/ Under revival	Ahmedpur–Katwa Railway Bankura–Damodar Railway Barasat–Basirhat Light Railway Burdwan–Katwa Railway Bakhtiarpur–Bihar Light Railway Futwah–Islampur Light Railway
Inactive	Bengal Provincial Railway East Coast State Railway Kalighat Falta Railway Mayurbhanj State Railway Patna–Digha Ghat line

Zones & Divisions

Eastern	Asansol Howrah Malda Sealdah
East Central	Danapur Dhanbad Mughalsarai Samastipur Sonpur
East Coast	Sambalpur Khurda Road Waltair
North Eastern	Varanasi
Northeast Frontier	Katihar Alipurduar
South Eastern	Adra Chakradharpur Kharagpur Ranchi

Production units/
workshops

Transit points
with Bangladesh

Active	Singhabad–Rohanpur Radhikapur–Biral Gede–Darshana Petrapole–Benapole
Defunct	Mahisasan–Shahbajpur Changrabandha–Burimari Haldibari–Chilahati Gitaldaha–Mogalhat

Indian railheads
near India–Nepal border

Railway companies

Template:Grand chord