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Open web steel truss girder assembled at the MGCPL Ambala works

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On the RDSO approved list for steel girder fabrication.

RDSO-approved Ambala works for open web, composite and plate girders, Part A,B. Registration, facilities and every document, on one page.

Open the RDSO certificate All documents

Details of RDSO Approval

Approved by RDSO · valid to 31 July 2029
Registration no.
1050608
Item ID
3100425
Approved item
Open web, composite & other steel plate girders, Part A,B
Certification date
31 March 2023
Valid until
31 July 2029
Annual capacity
24,000 MT

Approval granted by the Bridges & Structures Directorate, RDSO, for fabrication of open web, composite and plate girders at the Ambala works. The approval is valid for the registered annual capacity of 24,000 MT under the company’s quality audit and continued compliance framework.

01OwnershipCompany, directors, address, CIN 02Ambala worksThe fabrication unit and its shops 03Plant & machineryCNC cutting and drilling, fit-up, SAW welding, cranes 04Certifications & licencesISO 9001, 14001, 45001, factory licence, BIS 05Testing & NDTIn-house DPT and UT, outsourced lab and radiography 06People, software & powerOrganisation, training, Tekla, installed supply 07Work executedTonnage in hand and bridges delivered in five years 08Document libraryEvery file on this page, in one list

01 — Ownership

A private limited company, twenty-eight years in.

The approval sits with the company itself, not a partner firm or a group entity. Registration details as filed with RDSO.

  • Company

    M.G. Contractors Private Limited
    Private limited company, incorporated December 1997

  • CIN

    U70101DL1997PTC091013

  • Address

    Vill. Gola, Kalpi Naraingarh Road
    Teh. Mullana, Distt. Ambala
    Haryana 133104

  • Board of directors

    Kailash Chand Mittal, Chairman
    Atul Kumar Garg, Managing Director
    Lokesh Mittal, Director
    Udit Mittal, Director

  • Contact Us

    info@mgcpl.com

Plate girder under the overhead crane in the Ambala fabrication shed

02 — Fabrication unit

The Ambala works.

Vill. Gola, Kalpi Naraingarh Road, Teh. Mullana, Distt. Ambala, Haryana 133104. A covered heavy-fabrication shed with its own blasting, metalizing and paint shops, stacking yard, assembly bay and an in-house weighbridge.

  • Fabrication shed with 25 T EOT cranes on every bay
  • Enclosed blasting shop with dust extraction
  • Metalizing and painting shop with drying and inspection area
  • Raw-material and finished-goods stacking yards with gantry
  • Weighbridge to 100 MT, hydra and mobile cranes in-house
2,000 MT / monthrated heavy-fabrication throughput of the shop, 24,000 MT a year as registered with RDSO
Enclosed blasting shop at the Ambala works
Blasting shopAbrasive blasting to a uniform profile before coating
Plate girders after metalizing and painting
Metalizing & paint shopSurface preparation, metalizing, painting, drying, inspection
Steel plate stacking yard with gantry crane
Stacking yardPlates, child parts and finished spans under gantry cover

Facility documents

Layout and shop descriptions, with photographs.

PDFPlant layoutSheds, stages, beds, cranes and yards, model R4 PDFFabrication shopCutting, drilling, fit-up, welding, straightening, milling, stud welding PDFBlasting shopEnclosed abrasive blasting facility PDFMetalizing & painting shopSurface preparation through to inspection and storage PDFStacking areaRaw material and finished component storage PDFAssembly areaControlled bay for girders and trusses under gantry cranes PDFOther facilitiesWeighbridge, hydra cranes, 100 MT EOT crane

Ambala works, by the numbers

24,000MTAnnual capacity registered with RDSO
2,000MTRated heavy-fabrication throughput a month
100MTEOT crane for heavy assemblies
25TEOT cranes on every fabrication bay

03 — Plant & machinery

Automated where precision matters, heavy where tonnage does.

Programmed cutting and drilling from the nesting plan, robotic fit-up, submerged-arc welding on rotating cantilevers. The full equipment list with capacities is in the two documents below.

Machine details, heavy fabrication
CNC plasma and oxy-fuel cutting machine
01CNC cuttingPlasma and oxy-fuel, dual torch. 100 mm plate, 28 × 4 m table. Programs fed straight from the nesting software.
Dual-head CNC drilling machine
02CNC drillingDual head, 50 mm diameter, 2.5 × 3.5 m working table. Hole patterns for plates and gussets taken from approved drawings.
I-girder fit-up machine
03I-girder fit-upWeb to 3,000 mm, flange to 1,200 mm, plate to 80 mm. 24 m table with tilter, robotic clamping and web alignment.
Rotating cantilever submerged arc welding machine
04Submerged arc welding360° rotating cantilever SAW for long longitudinal seams, with GMAW stations for fillet and positional work.
End face milling machine
05Straightening Distortion removed after welding; girder ends milled square to length. Shear-stud welding for composite decks.
Overhead EOT crane lifting a fabricated plate girder with a spreader beam in the fabrication shed
06Lifting100 MT EOT for heavy assemblies, 25 T EOT on each bay, gantry over the yard, hydra cranes from 14 to 23 MT.
PDFList of plant & equipment with capacityShed-wise inventory of welding sets, cutting, drilling, lifting and ancillary equipment

04 — Certifications & licences

Systems certified, premises licensed.

Quality, environmental and occupational health and safety management systems are certified for the fabrication scope. The works run under a current Haryana factory licence.

ISO 9001:2015 Quality management Fabrication of steel bridge & girder · Ambala and Rajpura units
Certificate
24DQMH63
Issued
03 Apr 2024
Valid to
02 Apr 2027
Open certificate ISO 14001:2015 Environmental management Fabrication work · Ambala and Varanasi units · PQC
Certificate
EU-59310/0126
Issued
16 Jan 2026
Valid to
15 Jan 2029
Open certificate ISO 45001:2018 Occupational health & safety Fabrication work · Ambala and Varanasi units · PQC
Certificate
HU-59311/0126
Issued
16 Jan 2026
Valid to
15 Jan 2029
Open certificate
PDFFactory licence 2024–2028Chief Inspector of Factories, Haryana. 1,005 HP, 495 workers, to 31 Dec 2028 PDFFactory registration certificateLabour Department, Haryana

05 — Testing & NDT

Inspection in-house, laboratory work under MoU.

Dye penetrant and ultrasonic testing are carried out by our own ASNT Level II personnel. Chemical, mechanical and corrosion testing of material, and radiography, go to accredited partners under standing agreements.

Primed plate girders awaiting inspection
In-house

DPT and UT

Dye penetrant testing on every weld run; ultrasonic testing with a calibrated UT machine and V1 block. Three ASNT Level II technicians on the shop floor, one of them qualified across UT, RT, PT and MT.

Outsourced · MoU

Chemical, mechanical & corrosion

Yamunanagar Engineering Cluster Pvt. Ltd., a Government-supported common facility centre. Agreement runs 10 Jun 2026 to 10 Jun 2030.

Outsourced · MoU

UT, PAUT & radiography

Purvanchal Inspection & Radiography Services, Yamuna Nagar, for UT/RT of material and equipment of any grade, valid to 13 Dec 2030. Cosmo Analytical Lab LLP, Noida (BARC-approved for RT, NABL-accredited) for RT, UT, PAUT, DPT, MPT and mechanical and chemical testing, MoU of 10 May 2026.

PDFASNT Level II — Senior EngineerUT, RT, PT and MT qualification PDFASNT Level II — UTUltrasonic testing qualification PDFASNT Level II — UTUltrasonic testing qualification, NDT Consultancy & Training Centre PDFUT machine & V1 calibration blockUltrasonic testing equipment on hand PDFSurface roughness tester & gaugesComparator, micrometers, vernier, profile and filler gauges, WFT meter PDFMoU — Yamunanagar Engineering ClusterChemical, mechanical and corrosion testing PDFMoU — UT / PAUT / RTPurvanchal Inspection & Radiography Services, signed, valid to 13 Dec 2030 PDFMoU — Cosmo Analytical Lab LLPRT, UT, PAUT, DPT, MPT and mechanical & chemical testing, Noida, 10 May 2026

06 — People, software & power

The unit behind the tonnage.

A plant head with two decades in fabrication, department heads for planning, quality, production, drafting, stores, painting and dispatch, and artisans trained at BHEL's Welding Research Institute.

Organisation

Seven departments, one plant head

Planning, quality, production, stores, drafting, painting and dispatch, HR and safety. Qualification and years of experience for each post are in the chart.

Training

WRI, BHEL Tiruchirappalli

Supervisors and welders trained and certified in welding and inspection at the Welding Research Institute. Railway WPQR held for ROB girder work.

Software

Tekla Structures, 8 seats

Trimble Tekla Structures Diamond licences for detailing and fabrication drawings, with Plus 2D nesting software driving the CNC cutting line.

Power

Dedicated 11 kV feeder

Independent UHBVN feeder from the 66 kV Jolly substation, sanctioned load 750 kW, 833 kVA. Two 320 kVA diesel sets and 315 + 630 kVA transformers, CEA-inspected January 2026.

PDFOrganisation chart, Ambala unitPosts, qualification and experience by department PDFArtisans listCutting, drilling, welding, blasting, metalizing and painting crews with qualification and experience PDFWRI BHEL training certificatesWelding and inspection, supervisor and welder PDFIndependent 11 kV feederUHBVN sanction, 66 kV Jolly substation, 750 kW / 833 kVA PDFDG set & transformer inspection, 2026Chief Electrical Inspector, Haryana, under CEA Regulations 2023 PDFElectricity billCurrent UHBVN connection at the works

07 — Work executed

Spans in hand, bridges delivered.

Fabrication orders currently in the shop, and the railway bridge and ROB contracts completed in the last five years that the girders came out of.

Full five-year list
10,000 +MTWork in hand — 160 +spans of 24.4 m, Assam
17,000 +MTWork in hand — BHEL
₹1,583 +CrRailway bridge and ROB contracts completed, 2019–2023
24,000 +MTAnnual capacity registered with RDSO
01Sasaram–Ara rail flyover and viaducts, East Central RailwayDFCCIL · Ara, Bihar₹321.77 Cr · 2020–2023
02Dehri-on-Sone DFC formation, viaducts and rail flyover, double trackDFCCIL · Bihar₹453.97 Cr · 2016–2021
03Boraki–Dadri DFC rail flyover and approaches, 4.54 km, design-buildDFCCIL · Dadri, UP₹173.88 Cr · 2018–2022
04Three two-lane ROBs, Dhanichcha–Karmansa, composite girder spansDFCCIL · Mohania, Bihar₹152.63 Cr · 2018–2022
05Three two-lane ROBs, Pahleja–Sasaram, obligatory and viaduct spansDFCCIL · Sasaram, Bihar₹143.95 Cr · 2018–2022
06Major bridges and ROBs, Tori–Biratoli rail flyover lineEast Central Railway · Latehar, Jharkhand₹125.04 Cr · 2018–2020
07ROB in lieu of LC 42/B, Japla–Haidar Nagar, Mughalsarai divisionEast Central Railway · Gomoh, Jharkhand₹69.05 Cr · 2018–2023
08Eight ROBs and three RUBs, girder fabrication, erection and launching, Barkakana–RanchiEast Central Railway · Ranchi, Jharkhand₹71.32 Cr · 2016–2019

Values are completed contract values as reported to RDSO. The five-year list also covers the Etawah NH-2 ROB and the Chakki river bridge at Pathankot.

Open web truss span at site
Assembly team beneath a completed truss girder
Plate girder welding in the shop
Gantry crane over the stacking yard

08 — Document library

Everything on this page, in one list.

Thirty-five files, grouped the way the RDSO vendor-approval schedule groups them. All open in a new tab. Originals are shared with prequalifying agencies on request.

Request originals

RDSO approval

RDSO approval certificate, Ambala worksPDF List of plant & equipment with capacityPDF

Ownership & registration

Certificate of Incorporation, CINPDF Factory registration certificatePDF Factory licence 2024–2028PDF Organisation chart, Ambala unitPDF

Facilities

Plant layoutPDF Fabrication shopPDF Blasting shopPDF Metalizing & painting shopPDF Stacking areaPDF Assembly areaPDF Other facilitiesPDF

Certifications

ISO 9001:2015PDF ISO 14001:2015PDF ISO 45001:2018PDF BIS Stage-I audit intimationPDF

Testing & NDT

ASNT Level II, UT/RT/PT/MT, Senior EngineerPDF ASNT Level II, UTPDF ASNT Level II, UTPDF UT machine & V1 blockPDF Surface roughness tester & measuring instrumentsPDF MoU, Yamunanagar Engineering Cluster labPDF MoU, UT/PAUT/RT servicesPDF MoU, Cosmo Analytical Lab LLPPDF

People, software & power

Artisans list with qualification & experiencePDF WRI BHEL training certificatesPDF Tekla Structures licence, 1PDF Tekla Structures licence, 2PDF 2D nesting softwarePDF Independent 11 kV feeder sanctionPDF DG set & transformer inspection 2026PDF Electricity billPDF

Work history

Projects executed in the last five yearsPDF

Girder fabrication

Send us the span schedule.

Open web, composite or plate girders for railway and ROB work. The Ambala quality team replies with a programme, inspection plan and approvals.

Start an enquiry qc_ambala@mgcpl.com