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

The main features of IRAB-I brake system as fitted on these locos are

ELF – lapping type independent brakes on the loco i.e., the air brakes on loco can be Applied and released in steps by applying brake pressure between 2.5 to 5kg/cm2 in the brake cylinder.
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Braking...
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of air braked passengers/freight trailing stock and at the same time.
Proportionate air brake application on loco through distributor valve.
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Dynamic brake interlocks to prevent simultaneous application of automatic air brakes and dynamic brakes on loco.
Multiple unit operation with loco fitted with similar type of brake system or with Locos fitted with 28 LA – V – 1 Brake system for hauling air braked trailing stock.
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Loco Proportionate brakes can be released by pressing the loco brake release switch, keeping the train brakes applied.
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Provision for the driver to apply independent brakes on leading loco in case of Parting between locos in MU operation due to failure of coupling.
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Provision for the freight/passenger change over cock to regulate loco air brake application and release timings depending on the type of stock being operated by loco.
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Automatic power cut off during emergency brake application.
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Visual indication in drivers cab through air flow indicating device during parting between locus and during train parting, alarm chain pulling, or guards emergency brake valve operation while hauling air braked.

List of Introduction of Double Decker Exp & Uday Exp by Year :-✅✅✅✅✔✔✔✔✅✅✅✅✔✔✔✔✅✅✅✅

Category A ➡➡➡➡➡➡ AC Double Decker

1. 12985/86 Jaipur - Delhi Sarai Rohilla AC Double Decker Exp in...
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17th August 2012 Owned by NWR Zone

2. 12931/32 Mumbai Central - Ahmedabad AC Double Decker Exp in 19th September 2012 Owned by WR Zone

3. 22625/26 MGR Chennai Central - KSR Bengaluru AC Double Decker Exp in 25th April 2013 Owned by SR Zone

4. 12583/84 Lucknow Jn - Anand Vihar Terminal AC Double Decker Exp in 26th April 2015 Owned by NER Zone

5. 11085/86 LTT Mumbai - Madgaon AC Double Decker Exp in 7th December 2015 owned by CR Zone

6. 22707/08 Vishakhapatnam - Tirupati AC Double Decker Exp in 31st December 2016 Owned by SCR Zone

7. 11099/11100 LTT Mumbai - Madgaon AC Double Decker Exp in 15th June 2019 Owned by CR Zone


Category B ➡➡➡➡➡➡ Uday Exp

1. 22665/66 KSR Bengaluru - Coimbatore Uday Exp in 8th June 2018 owned by SR Zone

2. 22701/02 Vishakhapatnam - Vijaywada Uday Exp in 26th September 2019 Owned by ECoR Zone


Category C ➡➡➡➡➡➡ NON AC Double Decker

1. 12921/22 Mumbai Surat Flying Ranee Exp in 17th April 1937 owned by WR Zone

2. 59023/24 Mumbai Valsad Fast Passenger owned by WR Zone


Now List of Discontinued Double Decker Exp :-
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Category A ➡➡➡➡➡➡➡ AC Double Decker

1. 12385/86 Howrah Dhanbad AC Double Decker was run in 1st Oct 2011- December 2014 owned by ER Zone ( It was First AC Double Decker of Indian Railways)

2. 22183/84 & 22185/86 Bhopal/Habibganj - Indore AC Double Decker Exp was run in 2013-2014 owned by WCR Zone

3. 22117/18 Kacheguda Guntur AC Double Decker was run in 2014-2016 owned by SCR Zone

4. 22119/20 Kacheguda Tirupati AC Double Decker Exp was run in 2014-2016 owned by SCR Zone

List of Introduction of All Duronto Exp by Year :-
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1. 12259/60 Sealdah Bikaner Duronto Exp in 18th September 2009 owned by ER Zone (Introduce as SDAH NDLS Duronto later Extend to Bikaner in 2020)
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2. 12269/70 NZM MAS Duronto Exp in 21st September 2009 Owned by SR Zone

3. 12263/64 NZM Pune Duronto Exp in 28th September 2009 Owned by NR Zone

4. 12261/62 Howrah CSTM Mumbai Duronto Exp in 29th September 2009 Owned by SER Zone

5. 12267/68 Mumbai Rajkot Duronto Exp in 24th November 2009 Owned by WR Zone ( Introduce As MMCT ADI Duronto later extend to Rajkot in 2018)

6. 12289/90 CSTM Nagpur Duronto Exp in 24th November 2009 Owned by CR Zone

7. 12245/46 HWH Yesvantpur Duronto Exp in 3rd January 2010 Owned by SER Zone

8. 12283/84 NZM Ernakulam Duronto Exp in 7th March 2010 Owned by NR Zone

9. 12285/86 NZM Secunderabad Duronto Exp in 14th March 2010 Owned by SCR Zone

10. 12273/74 NDLS Howrah Duronto Exp in 31st March 2010 owned by ER Zone

11. 12265/66 DEE JammuTawi Duronto Exp in 1st April 2010 Owned by NR Zone

12. 12281/82 NDLS Bhubaneswar Duronto Exp in 4th April 2010 Owned by ECoR Zone

13. 12221/22 Howrah Pune Duronto Exp in 9th October 2010 Owned by SER Zone

14. 12223/24 LTT Ernakulam Duronto Exp in 14th January 2011 Owned by CR Zone

15. 12227/28 Mumbai Indore Duronto Exp in 26th January 2011 Owned by WR Zone

16. 12213/14 DEE Yesvantpur Duronto Exp in 19th February 2011 Owned by SWR Zone

17. 12219/20 LTT Secunderabad Duronto Exp in 23rd February 2011 Owned By SCR Zone

18. 12239/40 Mumbai Jaipur/Hisar Duronto Exp in 3rd April 2011 Owned by WR Zone (Officially Extend to Hisar in 2021)

19. 22201/02 Sealdah Puri Duronto Exp in 12th February 2012 Owned by ER Zone

20. 22213/14 Kolkata Shalimar - Patna Duronto Exp in 19th February 2012 Owned by SER Zone

21. 12293/94 LTT Prayagraj Duronto Exp in 11th. March 2012 Owned by CR Zone

22. 12297/98 Pune Ahmedabad Duronto Exp in 11th March 2012 Owned by CR Zone

23. 22209/10 Mumbai Central - New Delhi Duronto Exp in 20th March 2012 by WR Zone

24. 22203/04 Vishakhapatnam Secunderabad Duronto Exp in 12th July 2012 Owned by SCR Zone



Now List of Discontinued or Converted Duronto Exp
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1. 22211/12 Ajmer NZM Duronto Exp was run in 2012-2013 ( Now run as 12065/66 Ajmer DEE Jan Shatabdi Exp from 22nd December 2013 Owned by NWR Zone)

2. Howrah Puri Duronto Exp was run till 2013 ( Now run as 12277/78 Howrah Puri Shatabdi Exp Owned by ECoR Zone)

3. MAS CBE Duronto Exp ( Now run as 12243/44 MAS Shatabdi Exp Owned By SR Zone)

4. MAS TVC Duronto was run in 2012-2013 ( Now run as 22207/08 MAS TVC AC Exp Owned by SR Zone)

5. Amritsar Chandigarh Duronto Exp ( Now Run as 12241/42 ASR CDG Intercity Exp owned by NR Zone)

6. 12271/72 Lucknow NDLS Duronto Exp was run in 2011-2014 ( Now run as 12429/30 Lucknow NDLS AC Exp Owned by NR Zone)

7. Howrah Digha Duronto Exp ( Now run as 12847/48 Howrah Digha AC Exp in Shatabdi Category Owned by SER Zone)

8. Allahabad NDLS Duronto Exp was run in 2010-2019 ( Now run as 12275/76 Prayagraj NDLS Humsafar Exp Owned by NCR Zone)

9. 22205/06 MAS MDU Duronto Exp was run 2012-2020 ( Now run as 20601/02 MAS MDU AC Exp Owned by SR Zone)