From
To
Date
Sun, Feb 5

Authorised IRCTC partner

Ghazipur To Awapur Trains

Popular Trains from Ghazipur to Awapur

24 found from GCT, MAU, BUI, BXR, JKN, DDU to MFP, SMI, DBG, MBI, JNR

Train name and numberStarting stationDurationEnding stationClassesTrain type

15232 - GONDIA BJU EXP

Runs onMTWTFSS

10:35 PM

GCT

Ghazipur

6h 25m

191 KM

34 stops

05:00 AM

MFP

Muzaffarpur

50 KM from AWPR

SL, 3A, 2A, 1A

Others

Starting from ₹180

14018 - ANVT RXL EXP

Runs onMTWTFSS

12:05 PM

GCT

Ghazipur

7h 20m

224 KM

35 stops

07:25 PM

SMI

Sitamarhi

17 KM from AWPR

SL, 3E, 3A, 2A

Others

19165 - SABARMATI EXP

Runs onMTWTFSS

09:05 AM

MAU

Mau

39 KM from GCT

10h

235 KM

74 stops

07:05 PM

DBG

Darbhanga

46 KM from AWPR

SL, 3A, 2A

Others

Starting from ₹225

20504 - DBRG RAJDHANI

Runs onMTWTFSS

12:55 AM

BUI

Ballia

61 KM from GCT

3h 10m

129 KM

29 stops

04:05 AM

MFP

Muzaffarpur

50 KM from AWPR

3A, 2A, 1A

Rajdhani

Starting from ₹840

11061 - LTT JAYNAGAR EX

Runs onMTWTFSS

02:12 PM

GCT

Ghazipur

10h 31m

265 KM

46 stops

12:43 AM

MBI

Madhubani

45 KM from AWPR

2S, SL, 3A, 2A

Others

14008 - SADHBHAWNA EXP

Runs onMTWTFSS

10:50 AM

GCT

Ghazipur

8h 30m

224 KM

37 stops

07:20 PM

SMI

Sitamarhi

17 KM from AWPR

SL, 3A, 2A

Others

19051 - MFP SHRAMIK EXP

Runs onMTWTFSS

02:05 AM

BUI

Ballia

61 KM from GCT

4h 45m

129 KM

22 stops

06:50 AM

MFP

Muzaffarpur

50 KM from AWPR

SL, 3A, 2A

Others

19483 - ADI BJU EXP

Runs onMTWTFSS

11:13 AM

BXR

Buxar

41 KM from GCT

4h 17m

153 KM

33 stops

03:30 PM

MFP

Muzaffarpur

50 KM from AWPR

SL, 3A, 2A

Others

19053 - ST MFP EXP

Runs onMTWTFSS

10:40 PM

MAU

Mau

39 KM from GCT

5h 49m

182 KM

25 stops

04:30 AM

MFP

Muzaffarpur

50 KM from AWPR

2S, SL, 3A, 2A

Others

Starting from ₹110

14016 - SADHBHAWNA EXP

Runs onMTWTFSS

10:50 AM

GCT

Ghazipur

6h 55m

191 KM

38 stops

05:45 PM

MFP

Muzaffarpur

50 KM from AWPR

SL, 3E, 3A, 2A

Others

Starting from ₹180

14650 - SARYUYAMUNA EXP

Runs onMTWTFSS

01:20 PM

MAU

Mau

39 KM from GCT

10h 4m

255 KM

55 stops

11:24 PM

MBI

Madhubani

45 KM from AWPR

SL, 3A, 2A

Others

11033 - DARBHANGA EXP

Runs onMTWTFSS

09:15 PM

GCT

Ghazipur

9h 25m

242 KM

33 stops

06:40 AM

DBG

Darbhanga

46 KM from AWPR

2S, SL, 3A, 2A

Others

Starting from ₹225

15268 - RAXAUL ANTYODAYA

Runs onMTWTFSS

09:15 PM

GCT

Ghazipur

6h 19m

191 KM

23 stops

03:35 AM

MFP

Muzaffarpur

50 KM from AWPR

2S

Others

12562 - Swatantrata Senani Express (PT)

Runs onMTWTFSS

09:35 AM

GCT

Ghazipur

8h 54m

265 KM

22 stops

06:29 PM

MBI

Madhubani

45 KM from AWPR

SL, 3A, 2A, 1A

Express

15560 - ANTYODAYA EXP

Runs onMTWTFSS

12:55 AM

GCT

Ghazipur

7h 45m

242 KM

28 stops

08:40 AM

DBG

Darbhanga

46 KM from AWPR

2S

Others

22564 - ANTYODAYA EXP

Runs onMTWTFSS

07:53 AM

BXR

Buxar

41 KM from GCT

7h 22m

203 KM

25 stops

03:15 PM

DBG

Darbhanga

46 KM from AWPR

2S

Others

14524 - HARIHAR EXPRESS

Runs onMTWTFSS

05:05 PM

GCT

Ghazipur

5h 40m

191 KM

21 stops

10:45 PM

MFP

Muzaffarpur

50 KM from AWPR

SL, 3A

Special Train

14006 - LICHCHIVI EXP

Runs onMTWTFSS

07:21 AM

JKN

Jakhanian

26 KM from GCT

12h 59m

233 KM

44 stops

08:20 PM

SMI

Sitamarhi

17 KM from AWPR

SL, 3A, 2A, 1A

Others

13510 - GD ASN EXP

Runs onMTWTFSS

10:40 PM

MAU

Mau

39 KM from GCT

5h 4m

182 KM

22 stops

03:45 AM

MFP

Muzaffarpur

50 KM from AWPR

SL, 3A

Others

Starting from ₹505

15548 - RAXAUL ANTYODAYA

Runs onMTWTFSS

07:18 AM

DDU

Mughalsarai

56 KM from GCT

7h 27m

280 KM

18 stops

02:45 PM

SMI

Sitamarhi

17 KM from AWPR

2S

Others

12538 - BSBS MFP EXP

Runs onMTWTFSS

09:15 AM

MAU

Mau

39 KM from GCT

8h 55m

182 KM

16 stops

06:10 PM

MFP

Muzaffarpur

50 KM from AWPR

SL, 3A

Others

12546 - KARMABHOOMI EX

Runs onMTWTFSS

07:48 PM

DDU

Mughalsarai

56 KM from GCT

9h 5m

290 KM

20 stops

04:53 AM

JNR

Janakpur

6 KM from AWPR

2S

Others

12578 - BAGMATI EXP

Runs onMTWTFSS

08:20 AM

BXR

Buxar

41 KM from GCT

7h 40m

203 KM

41 stops

04:00 PM

DBG

Darbhanga

46 KM from AWPR

SL, 3A, 2A

Others

12436 - JYG GARIB RATH

Runs onMTWTFSS

04:00 AM

BXR

Buxar

41 KM from GCT

8h 30m

227 KM

23 stops

12:30 PM

MBI

Madhubani

45 KM from AWPR

3A

Garib Rath

Covid Special Trains from Ghazipur to Awapur

50 found from BSB, GCT, BUI, BXR, MAU, DDU, ARJ, JKN to BJIH, KKHT, MFP, DBG, SMI, MBI, JNR

Train name and numberStarting stationDurationEnding stationClassesTrain type

05514 - LTT - DBG SPECIAL

Runs onMTWTFSS

03:10 PM

BSB

Varanasi

65 KM from GCT

315 KM

23 stops

09:45 AM

BJIH

Bijuli

48 KM from AWPR

Special Train

05513 - Darbhanga Mumbai Ltt Specialfare Puja Special

Runs onMTWTFSS

01:05 AM

GCT

Ghazipur

247 KM

21 stops

07:47 PM

KKHT

Kakarghatti

46 KM from AWPR

Special Train

02504 - NDLS DBRGRAJ SPL

Runs onMTWTFSS

12:55 AM

BUI

Ballia

61 KM from GCT

3h 15m

129 KM

24 stops

04:10 AM

MFP

Muzaffarpur

50 KM from AWPR

3A, 2A, 1A

Special Train

09083 - ADI MFP SPL

Runs onMTWTFSS

11:57 PM

BXR

Buxar

41 KM from GCT

4h 18m

153 KM

14 stops

04:15 AM

MFP

Muzaffarpur

50 KM from AWPR

2S, SL, 3A, 2A

Special Train

01043 - LTT SPJ SF SPL

Runs onMTWTFSS

03:07 PM

BXR

Buxar

41 KM from GCT

4h 28m

153 KM

23 stops

07:35 PM

MFP

Muzaffarpur

50 KM from AWPR

SL, 3A, 2A

Special Tatkal

09483 - ADI BJU SPL

Runs onMTWTFSS

11:17 AM

BXR

Buxar

41 KM from GCT

4h 38m

153 KM

27 stops

03:55 PM

MFP

Muzaffarpur

50 KM from AWPR

2S, SL, 3A, 2A

Special Train

09311 - Indore Muzaffarpur One Way Festival Special

Runs onMTWTFSS

05:30 AM

BXR

Buxar

41 KM from GCT

4h 45m

153 KM

26 stops

10:15 AM

MFP

Muzaffarpur

50 KM from AWPR

2S, SL, 3A

Special Train

09051 - BL MFP SPECIAL

Runs onMTWTFSS

02:05 AM

BUI

Ballia

61 KM from GCT

4h 45m

129 KM

18 stops

06:50 AM

MFP

Muzaffarpur

50 KM from AWPR

2S, SL, 3A, 2A

Special Train

03510 - GD ASN EXP SPL

Runs onMTWTFSS

10:40 PM

MAU

Mau

39 KM from GCT

5h 10m

182 KM

21 stops

03:50 AM

MFP

Muzaffarpur

50 KM from AWPR

2S, SL, 3A

Special Train

05558 - BL MFP SPECIAL

Runs onMTWTFSS

01:30 PM

MAU

Mau

39 KM from GCT

5h 30m

182 KM

22 stops

07:00 PM

MFP

Muzaffarpur

50 KM from AWPR

SL, 3A, 2A, 1A

Special Tatkal

04534 - HARIHAR EXP SPL

Runs onMTWTFSS

05:05 PM

GCT

Ghazipur

5h 40m

191 KM

21 stops

10:45 PM

MFP

Muzaffarpur

50 KM from AWPR

2S, SL, 3A

Special Train

09059 - ST MFP SPECIAL

Runs onMTWTFSS

10:40 PM

MAU

Mau

39 KM from GCT

5h 49m

182 KM

24 stops

04:30 AM

MFP

Muzaffarpur

50 KM from AWPR

2S, SL, 3A, 2A

Special Train

01363 - CSMT DBG SPL

Runs onMTWTFSS

04:42 PM

BXR

Buxar

41 KM from GCT

6h 18m

203 KM

18 stops

11:00 PM

DBG

Darbhanga

46 KM from AWPR

2S, SL, 3A

Special Tatkal

05268 - LTT RXL SPECIAL

Runs onMTWTFSS

09:15 PM

GCT

Ghazipur

6h 19m

191 KM

23 stops

03:35 AM

MFP

Muzaffarpur

50 KM from AWPR

2S

Special Tatkal

01333 - PUNE DBG SPL

Runs onMTWTFSS

04:27 PM

BXR

Buxar

41 KM from GCT

6h 33m

203 KM

17 stops

11:00 PM

DBG

Darbhanga

46 KM from AWPR

2S, SL, 3A

Special Tatkal

00107 - DVL-MFP KISAN PEXP SPL

Runs onMTWTFSS

10:10 PM

BXR

Buxar

41 KM from GCT

6h 34m

153 KM

21 stops

04:45 AM

MFP

Muzaffarpur

50 KM from AWPR

Special Train

05232 - GONDIA BJU SPL

Runs onMTWTFSS

10:35 PM

GCT

Ghazipur

6h 34m

191 KM

32 stops

05:10 AM

MFP

Muzaffarpur

50 KM from AWPR

2S, SL, 3A

Special Train

05530 - LTT JAYNAGAR SPL

Runs onMTWTFSS

05:52 AM

BXR

Buxar

41 KM from GCT

6h 38m

203 KM

21 stops

12:30 PM

DBG

Darbhanga

46 KM from AWPR

SL, 3A, 2A

Special Tatkal

01097 - Mumbai LTT Darbhanga Special Fare SF Special

Runs onMTWTFSS

09:32 AM

BXR

Buxar

41 KM from GCT

6h 38m

203 KM

18 stops

04:10 PM

DBG

Darbhanga

46 KM from AWPR

2S, SL, 3A

Special Train

04016 - SHC FESTIVL SPL

Runs onMTWTFSS

10:50 AM

GCT

Ghazipur

6h 45m

191 KM

35 stops

05:35 PM

MFP

Muzaffarpur

50 KM from AWPR

SL, 3A

Special Tatkal

05286 - AII BJU URS SPL

Runs onMTWTFSS

01:15 PM

MAU

Mau

39 KM from GCT

6h 55m

182 KM

31 stops

08:10 PM

MFP

Muzaffarpur

50 KM from AWPR

SL, 3A, 2A

Special Tatkal

04004 - DLI DBG FEST SPL

Runs onMTWTFSS

08:32 AM

BXR

Buxar

41 KM from GCT

7h 13m

203 KM

17 stops

03:45 PM

DBG

Darbhanga

46 KM from AWPR

SL, 3A

Special Tatkal

04032 - DBG FEST SPL

Runs onMTWTFSS

08:32 AM

BXR

Buxar

41 KM from GCT

7h 13m

203 KM

19 stops

03:45 PM

DBG

Darbhanga

46 KM from AWPR

SL, 3A

Special Tatkal

04482 - Delhi Sitamarhi One Way Summer Special

Runs onMTWTFSS

07:15 PM

GCT

Ghazipur

7h 15m

224 KM

30 stops

02:30 AM

SMI

Sitamarhi

17 KM from AWPR

2S, SL, 3A

Special Train

04018 - ANVT RXL SPL

Runs onMTWTFSS

12:05 PM

GCT

Ghazipur

7h 15m

224 KM

33 stops

07:20 PM

SMI

Sitamarhi

17 KM from AWPR

2S, SL, 3A, 2A

Special Train

04074 - DBG FESTIVAL SPL

Runs onMTWTFSS

11:12 AM

BXR

Buxar

41 KM from GCT

7h 18m

203 KM

18 stops

06:30 PM

DBG

Darbhanga

46 KM from AWPR

SL, 3A

Special Tatkal

05564 - JYG FESTIVAL SPL

Runs onMTWTFSS

07:53 AM

BXR

Buxar

41 KM from GCT

7h 22m

203 KM

25 stops

03:15 PM

DBG

Darbhanga

46 KM from AWPR

2S

Special Tatkal

04498 - New Delhi Darbhanga Specialfare Special

Runs onMTWTFSS

06:45 PM

GCT

Ghazipur

7h 25m

224 KM

27 stops

02:10 AM

SMI

Sitamarhi

17 KM from AWPR

2S, SL, CC, 3A, 2A, 1A

Special Train

05548 - LTT RXL SPECIAL

Runs onMTWTFSS

07:18 AM

DDU

Mughalsarai

56 KM from GCT

7h 27m

280 KM

18 stops

02:45 PM

SMI

Sitamarhi

17 KM from AWPR

2S

Special Tatkal

04060 - DBG FEST SPL

Runs onMTWTFSS

06:00 AM

BXR

Buxar

41 KM from GCT

7h 40m

227 KM

19 stops

01:40 PM

MBI

Madhubani

45 KM from AWPR

SL, 3A

Special Tatkal

02578 - MYS DBG FEST SPL

Runs onMTWTFSS

08:20 AM

BXR

Buxar

41 KM from GCT

7h 40m

203 KM

36 stops

04:00 PM

DBG

Darbhanga

46 KM from AWPR

2S, SL, 3A, 2A

Special Tatkal

05560 - ADI DBG SPECIAL

Runs onMTWTFSS

12:55 AM

GCT

Ghazipur

7h 45m

242 KM

28 stops

08:40 AM

DBG

Darbhanga

46 KM from AWPR

2S

Special Tatkal

04058 - JYG GARIB RATH

Runs onMTWTFSS

04:00 AM

BXR

Buxar

41 KM from GCT

8h 24m

227 KM

21 stops

12:24 PM

MBI

Madhubani

45 KM from AWPR

3A

Special Train

04008 - SADHBHAWNA SPL

Runs onMTWTFSS

10:50 AM

GCT

Ghazipur

8h 30m

224 KM

34 stops

07:20 PM

SMI

Sitamarhi

17 KM from AWPR

2S, SL, 3A, 2A

Special Train

01668 - JYG FESTIVEL SPL

Runs onMTWTFSS

03:53 AM

BXR

Buxar

41 KM from GCT

8h 34m

227 KM

18 stops

12:27 PM

MBI

Madhubani

45 KM from AWPR

SL, 3A

Special Tatkal

07091 - SC-RXL HSP

Runs onMTWTFSS

07:10 AM

BXR

Buxar

41 KM from GCT

8h 50m

190 KM

29 stops

04:00 PM

SMI

Sitamarhi

17 KM from AWPR

General

05162 - BSBS MFP SPL

Runs onMTWTFSS

09:15 AM

MAU

Mau

39 KM from GCT

8h 54m

182 KM

14 stops

06:09 PM

MFP

Muzaffarpur

50 KM from AWPR

2S, SL, 3A

Special Train

09583 - Surat Darbhanga One Way Festival Special

Runs onMTWTFSS

03:20 AM

GCT

Ghazipur

8h 55m

242 KM

24 stops

12:15 PM

DBG

Darbhanga

46 KM from AWPR

2S, SL, 3A

Special Train

02546 - FESTIVAL SF SPL

Runs onMTWTFSS

07:48 PM

DDU

Mughalsarai

56 KM from GCT

9h 5m

290 KM

22 stops

04:53 AM

JNR

Janakpur

6 KM from AWPR

2S

Special Tatkal

01033 - DBG FESTIVAL SPL

Runs onMTWTFSS

09:15 PM

GCT

Ghazipur

9h 25m

242 KM

30 stops

06:40 AM

DBG

Darbhanga

46 KM from AWPR

2S, SL, 3A, 2A

Special Tatkal

04480 - New Delhi Jaynagar One Way Summer Special

Runs onMTWTFSS

06:45 PM

GCT

Ghazipur

9h 25m

265 KM

31 stops

04:10 AM

MBI

Madhubani

45 KM from AWPR

2S, SL, 3A

Special Train

02562 - SWATANTRTA S SPL

Runs onMTWTFSS

08:52 AM

ARJ

Aunrihar

38 KM from GCT

9h 34m

302 KM

16 stops

06:26 PM

MBI

Madhubani

45 KM from AWPR

2S, SL, 3A, 2A, 1A

Special Train

04650 - SARYU YAMUNA SPL

Runs onMTWTFSS

01:20 PM

MAU

Mau

39 KM from GCT

9h 43m

255 KM

49 stops

11:03 PM

MBI

Madhubani

45 KM from AWPR

2S, SL, 3A, 2A

Special Train

04434 - Anand Vihar Terminal Jaynagar Festival Special (via Varanasi)

Runs onMTWTFSS

02:40 AM

DDU

Mughalsarai

56 KM from GCT

9h 47m

319 KM

18 stops

12:27 PM

MBI

Madhubani

45 KM from AWPR

2S, SL

Special Train

09165 - ADI DBG SPECIAL

Runs onMTWTFSS

09:05 AM

MAU

Mau

39 KM from GCT

9h 53m

235 KM

57 stops

06:58 PM

DBG

Darbhanga

46 KM from AWPR

2S, SL, 3A, 2A

Special Train

01061 - CSMT NGP SPL

Runs onMTWTFSS

02:12 PM

GCT

Ghazipur

11h 15m

265 KM

45 stops

01:27 AM

MBI

Madhubani

45 KM from AWPR

2S, 3A, 2A

Special Tatkal

04006 - ANVT SMI SPL

Runs onMTWTFSS

07:20 AM

JKN

Jakhanian

26 KM from GCT

13h

233 KM

36 stops

08:20 PM

SMI

Sitamarhi

17 KM from AWPR

2S, SL, 3A, 2A

Special Train

04496 - New Delhi Darbhanga Specialfare Special

Runs onMTWTFSS

01:02 PM

BXR

Buxar

41 KM from GCT

22h 43m

203 KM

26 stops

11:45 AM

DBG

Darbhanga

46 KM from AWPR

2S, SL, CC, 3A, 2A, 1A

Special Train

04458 - New Delhi Patna One Trip Festival Special

Runs onMTWTFSS

11:55 AM

DDU

Mughalsarai

56 KM from GCT

1d 50m

245 KM

11 stops

12:45 PM

MFP

Muzaffarpur

50 KM from AWPR

3A, 2A

Special Train

04024 - Delhi Darbhanga Premium Special

Runs onMTWTFSS

12:32 AM

BXR

Buxar

41 KM from GCT

1d 7h 18m

203 KM

11 stops

07:50 AM

DBG

Darbhanga

46 KM from AWPR

2S, SL, CC, 3A, 2A, 1A

Special Train

Other Trains from Ghazipur to Awapur

1 found from GMR to MBI

Train name and numberStarting stationDurationEnding stationClassesTrain type

12570 - ANVT-JYG GARIBRATH EXP

Runs onMTWTFSS

03:25 AM

GMR

Gahmar

26 KM from GCT

9h 1m

246 KM

22 stops

12:26 PM

MBI

Madhubani

45 KM from AWPR

3A

Garib Rath

Trains from Awapur to Ghazipur

Trains originating from Ghazipur

Train name and numberStarting stationDurationEnding station

14865 - MARUDHAR EXP

05:55 PM

BCY

Varanasi

1d

1006 KM

35 stops

05:55 PM

JU

Jodhpur

14853 - MARUDHAR EXP

04:50 PM

BCY

Varanasi

1d 1h 5m

1006 KM

38 stops

05:55 PM

JU

Jodhpur

14863 - MARUDHAR EXP

05:55 PM

BCY

Varanasi

1d

1006 KM

33 stops

05:55 PM

JU

Jodhpur

20904 - EKNR MAHAMANA

05:25 AM

BSB

Varanasi

1d 3h 50m

1022 KM

18 stops

09:15 AM

EKNR

NARMADA

04529 - BSB SGNR HSPL

09:00 PM

BSB

Varanasi

1d 1h 15m

1034 KM

18 stops

10:15 PM

SGNR

Shri Ganganagar

Trains passing through Ghazipur

Train name and numberStarting stationDurationEnding station

18311 - SBP BSBS EXPRES

09:10 AM

BSB

Varanasi

15m

31 stops

09:25 AM

BSBS

Varanasi

12167 - LTT BANARAS EXP

01:35 AM

BSB

Varanasi

20m

15 stops

01:55 AM

BSBS

Varanasi

18611 - RNC BSBS EXP

09:10 AM

BSB

Varanasi

15m

22 stops

09:25 AM

BSBS

Varanasi

15126 - JANSHATABDI EXP

10:00 PM

BSB

Varanasi

15m

7 stops

10:15 PM

BSBS

Varanasi

15103 - BSBS INTERCITY

09:45 PM

BSB

Varanasi

15m

22 stops

10:00 PM

BSBS

Varanasi

Trains reaching to Awapur

Train name and numberStarting stationDurationEnding station

09665 - AII MFP SPL

09:00 PM

AII

Ajmer

1d 6h 30m

1072 KM

18 stops

03:30 AM

MFP

Muzaffarpur

05538 - AII DBG SPECIAL

11:25 PM

AII

Ajmer

1d 7h 25m

1124 KM

21 stops

06:50 AM

DBG

Darbhanga

22552 - ANTYODAYA EXP

09:25 AM

JUC

Jalandhar

1d 2h 10m

1159 KM

15 stops

11:35 AM

DBG

Darbhanga

14674 - SHAHEED EXP

01:05 PM

ASR

Amritsar

1d 11h 25m

1230 KM

54 stops

12:30 AM

JYG

Jaynagar

04652 - ASR JYG SPL

10:55 AM

ASR

Amritsar

1d 9h 5m

1230 KM

13 stops

08:00 PM

JYG

Jaynagar

Trains passing through Awapur

Train name and numberStarting stationDurationEnding station

18181 - TATA THE EXP

11:30 AM

MFP

Muzaffarpur

5h 45m

104 KM

29 stops

05:15 PM

THE

Thawe

08181 - TATA CPR SPL

12:25 PM

MFP

Muzaffarpur

5h 45m

104 KM

29 stops

06:10 PM

THE

Thawe

05285 - BJU AII URS SPL

08:35 AM

MFP

Muzaffarpur

1d 8h 54m

1072 KM

31 stops

05:30 PM

AII

Ajmer

09666 - MFP AII SPL

07:20 AM

MFP

Muzaffarpur

1d 7h 40m

1072 KM

18 stops

03:00 PM

AII

Ajmer

05537 - DBG AII SPL

01:15 PM

DBG

Darbhanga

1d 8h 50m

1124 KM

21 stops

10:05 PM

AII

Ajmer