January 26, 1950	Inauguration of production by late Basanti Devi,  wife of Chittaranjan Das
	November 1, 1950	First Steam Loco rolled out ,within 11 months of inauguration of production, by Dr. Rajendra Prasad, President of India.   WG class (#8401), "DESHBANDHU" .
	October 14, 1961	First 1500V  DC Electric Loco commissioned by Pandit Jawaharlal Nehru -   LOKMANYA
	March 12, 1963	First WP class steam Loco commissioned by Sardar Swarna Singh the then Railway Minister - VIVEKANANDA
	November 16, 1963	First 25KV AC Electric Loco WAG4 commissioned  by PanditJawaharlal Nehru - BIDHAN
	January 6, 1968	First Diesel Hydraulic Shunter Loco WDS4  commissioned  by Sri C.M Poonacha , the then Railway Minister- INDRAPRASTHA
	June 30, 1970	The LAST WG class Steam Loco ANTIM SITARA (#10560) rolled out.
	Some time in 1970	First WAM-4 Locomotive 3400 HP manufactured.
	February 5, 1972	The Last steam Loco , a YG class 3573 rolled out. Closure of Steam Era in CLW.
	January 30, 1975	First AC/DC dual Voltage (25KV AC /1500V DC) Electric Loco Commissioned by Sri Siddharth Sankar Roy, the then Chief Minister of West Bengal - VALLABH
	October 1, 1980	First Rajdhani Electric Loco WAP1 (3900 H.P.) commissioned.
	January 22, 1984	First  3900 H.P. WAG5 loco (six axle) commissioned.
	November 19, 1986	First WAG5B  commissioned by Mr F.F.Nouvion - NOUVION
	November 16, 1987	First WAP3 loco for Shatabdi Express -JAWAHAR
	March 31, 1989	100th. Electric Loco  of the year 1988-89 rolled out  - WAG5 - JANMASATI
	March 31, 1990	105th. Elect. Loco for the year 1989-90 (WAG5) "KIRTIMAN " rolled out
	March 31, 1991	110th. Elect. Loco for the year 1990-91 ( WAP1) "BABASAHEB" rolled out.
	March 28, 1992	115th. Lcomotive for the year 1991-92 WAP1 SHAKTIMAN rolled out
	August 3, 1992	First 5000 HP high adhesion WAG7 Elect Loco Christened by Mother Teresa MC - SHANTIDAN
	April 6, 1993	125th.Elect. Loco for the year 1992-93 WAG7 EKTA inaugurated
	April 6, 1993	Last BG Diesel shunter  rolled out - VIRAM
	April 6, 1993	Last NG Diesel Loco rolled out - ETI
	January 23, 1994	WAP1 Electric Loco provided with Hitachi Traction Motor - PRAGATISIL- for Rajdhani Express
	August 27, 1994	First 5000HP High HP WAP4 Passenger Electric Locomotive ASHOK
	March 6, 1995	First uprated version of WAG7H high adhesion Electric loco AGRASAR
	April 11, 1996	135th and 136th Locomotive of the year 1995-96,  WAP3 AASTHA and WAP6  ABHINAV inaugurated by ML and FC Indian Railways
	September 14, 1996	First 5000 HP Modular freight Loco WAG7 inaugurated KARAMVIR
	September 14, 1996	ISO 9001 awarded to Loco Works by IRQS
	October 5, 1996	First 5000 HP Passenger Loco WAP6 inaugurated - GAURAV
	October 5, 1996	ISO 9002 awarded to Steel Foundry by IRQS
	December 27, 1996	First 3-phase state-of-the-art 6000 HP freight WAG9 locomotive (CKD/SKD) assembly done.
	October 21, 1997	First Micro processor controlled WAG7 freight Locomotive flagged off by Sri S.K.Khanna, Member Electrical.
	March 30, 1998	WAP4 loco flagged off - by Sri S.K.Khanna, Member Electrical- SWARNANJALI
	April 29, 1998	2500th. Electric Locomotive WAG7 inaugurated by Hon'ble Minister of Railways - SWARNA ABHA
	November 14, 1998	First Indigenous 3-phase 6000 HP state-of-the-art WAG9 type freight locomotive inaugurated by Hon'ble Minister for Railways - NAVYUG
	November 21, 1998	Microprocessor controlled 5000 H.P. Freight Electric Locomotive WAG7 inaugurated by Sri Jyoti Basu, Hon'ble Chief Minister West Bengal - SAMARPAN.
	January 11, 1999	First Indigenously built 1000 HP 3 phase state-of-the-art Traction Motor inaugurated by Member Staff.
	April 12, 1999	First indigenously built 3 phase state-of-the-art technology 6000 HP Electric Locomotive WAG9 and also the first production of 1999-2000 dedicated to the nation by Sri A.R.Kidwai, Hon'ble Governor of West Bengal - NAVJYOTI
	May 10 , 2000	First WAP-7  locomotive "NAVKIRAN" for hauling 24/26 coach High speed long haul Mail /Express train rolled out for service
	May    17,  2000,	First WAP5  class 5000 HP 3-phase thyristor and micro processor based VVVF controlled high speed passenger locomotive --NAVODIT
	June 30, 2000	First 6000 HP WAG9H 3-phase thyristor and micro processor based VVVF controlled Higher tractive effort goods locomotive turned out - NAVASHAKTI

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