RDSO Compliance Details
Tender reference for Kothari Chemicals in Bhilai, covering the published RDSO registration, fabrication units, statutory certificates, testing capabilities and executed projects.
Ownership Details
Registered identity, address, and contact details for the engineering division.
| Information / Sub-tab | Details |
|---|---|
| Ownership | Gyan Chand Kothari |
| Board of Directors, Partners | Proprietor |
| Registration / Incorporation Details | Private Proprietorship. Established 2010. |
| Memorandum and Article of Association / Partnership Deed / LLP Agreement | Not Applicable. |
| Registered Address | Plot No-3, Heavy Industrial Area, Hathkhoj, Bhilai - 490026, Chhattisgarh, India. |
| Contact Information | Land Line: 0788-2974016 | Mobile: 93022 91000 | kcenggdiv@gmail.com | padam@kotharisteel.com |
Fabrication Units
Facility, machinery and photograph details for each fabrication unit.
Plot No-3, Heavy Industrial Area, Hathkhoj, Bhilai - 490026, Chhattisgarh.
Unit size
3 Acres (12,650 sq.m) of land.
Bay Configuration
3 covered bays, plus open stacking and yard support per site layout.
Template layout area
Dedicated layout and marking area used for dimensional transfer, trial fit-up and template verification before fabrication starts.
Operational Highlights
3 Axis, 3 Spindles Structural Drill Line with Horizontal Circular Cold Saw LC1000
Primary Layout and Checking Area
Used for pre-fit checks on members and sub-assemblies.
Representative Photographs
Fabrication shop
Primary fabrication zone for cutting, drilling, welding, straightening and end milling, Multi Bay Fabrication Shop
Operational Highlights
CNC Oxy & Plasma Cutting Machine
I-Beam Fittup Machine
NC Hydraulic Shearing Machine
SAW welding machines
125 T Hydraulic Iron Worker (Shearing & Punching) Machine
Tube Bending Machine (CNC), (CLR - 1D) (Cap-upto 110mm)
CNC Profile Cutting Machine, (Cap-3000mm Width X 12500 mm Length)
Representative Photographs
Blasting shop
Surface preparation zone aligned to shot blasting and blast room operations before coating and dispatch.
Operational Highlights
Automatic shot blasting Machine
Blast room arrangement for surface preparation
Representative Photographs
Metalizing & Painting shop
Coating and finishing zone with painting support and dedicated booth infrastructure for corrosion-protection work.
Operational Highlights
Paint booth available
Metalizing gun and coating support setup
Representative Photographs
Assembly area
Covered assembly area for fit-up, inspection and member alignment prior to pre-dispatch checks.
Operational Highlights
Used for fit-up and member alignment
Supports in-process inspection before dispatch staging
Representative Photographs
Stacking area
Open staging and stacking area for completed members, material segregation and dispatch readiness.
Operational Highlights
Supports finished member staging
Helps dispatch planning and inspection access
Representative Photographs
Certificates & approvals
Current ISO 9001:2015, RDSO registration, factory licence, and environmental consent on file. High-resolution scans can be shared with customers and auditors on request.
ISO 9001:2015
Quality Management System — QRO | Cert. No. 305026010110Q
RDSO approval
Composite and Steel plate girders
Environmental consent
Air & water — statutory
Factory Licence
Factory Licence Number: 2106/2106/B-17/DRG/2m(I)
Details of RDSO Approval
RDSO registration and approval particulars for the listed girder scope, as maintained with the Research Designs & Standards Organisation.
Verify current tender eligibility through Indian Railways’ IREPS portal under Approval of Vendors (UVAM).
| Approval Field | Details |
|---|---|
| Approved scope | Composite girders and other steel plate girders |
| Registration ID | CBS/G/Reg/Kothari Chemicals |
| Date of Approval | 26 March 2024 |
| Listed approval validity | 31 January 2031 |
Firm’s Registration Details
Under The Companies Act / The Micro, Small and Medium Enterprises Development Act.
| Registration Field | Details |
|---|---|
| Companies Act Registration | Kothari Chemicals. Proprietorship registration as per statutory records. |
| MSME Registration/Udyam Number | UDYAM-CG-05-0000352 |
| Entity Classification | Small Industry |
| Date of Incorporation | 15th April 2010 |
| Date of Registration | 21st August 2020 |
| Major Activity | Manufacturing |
Factory Licence Details
Statutory factory licence details for the manufacturing facility.
| Licence Field | Details |
|---|---|
| Factory Licence Number | 2106/2106/B-17/DRG/2m(I) |
| Issuing Authority | Govt. of Chhattisgarh |
| Validity | 31st December 2030 |
| Renewal Status | Renewed on 11th November 2025 |
ISO 9001 Certification
Key fields from the active ISO 9001:2015 certificate issued by QRO.
| Certification Field | Details |
|---|---|
| Certifying Body | Quality Research Organization (QRO) / QRO Certification LLP. |
| Date of Certification | 1st January 2026 |
| Last Date of Surveillance Audit | 1st Surveillance Audit Due: 31st December 2026 |
| Last Date of Internal Audit with Details of Compliances | Tracked through the ISO internal audit schedule; supporting records maintained under the quality management system. |
| 2nd Surveillance Audit Due | 31st December 2027 |
| Certificate Expiry | 31st December 2028 |
| Certificate Number | 305026010110Q |
| Scope of Activities | Manufacturer of heavy building structure, technological structures, bridges & girders. |
Mandatory Approvals
How specialised testing and radiation-related work is covered through accredited labs and approved agencies, alongside NDT personnel qualifications.
| Approval | Details |
|---|---|
| NABL | Specialised tests are routed through NABL-accredited laboratories when project specifications require accredited reports. |
| AERB | Radiography is performed through approved agencies where regulatory requirements apply to the RT scope. |
| ASNT | NDT personnel hold qualifications aligned with ASNT practice (including Level II, and Level III where required for the activity). |
| Other approvals | Additional project-specific approvals (e.g. customer QA, third-party inspection) are addressed per contract and ITP. |
Organisation Chart Qualifications and Experience Details
Official organisation chart; click the image to view full size.
| Name | Position | Qualification | Experience | Brief Details |
|---|---|---|---|---|
| PADAM KOTHARI | Chief Executive Officer | B.Com, M.B.A | 25+ Years | Visionary leader driving strategic growth, business expansion, and overall organizational excellence. |
| BHIMENDRA GAIDHANE | General Manager - Works | B.E. (Mechanical Engineering) | 19+ Years | Leads plant operations and heavy fabrication works, ensuring efficient execution, resource optimization, and operational excellence. |
| MAKARAND SHANKAR HANDE | General Manager - Production | Diploma (Mechanical Engineering) | 14+ Years | Oversees production planning and shop floor execution, ensuring timely delivery and adherence to quality standards. |
| DEEPAK KUMAR PANDEY | Assistant General Manager - Quality Control | B.E. (Mechanical Engineering) | 13+ Years | Heads quality assurance systems, inspection processes, and ensures strict compliance with QMS and industry standards. |
Artisans Involved
Welders and welding inspectors with current BHEL WRI training records (January 2026); certificate scans are shown below.
| Activity | Qualification | Certification / Training / Refreshers | Experience |
|---|---|---|---|
| Welding | BHEL WRI Tiruchirappalli, Welding Technology (SSTC / RDSO / 2W). Certificate W-4 / 13 / 2026. | 27 Jan - 30 Jan 2026 at Welding Research Institute (WRI), BHEL; AWS educational institution member programme. Welder re-qualification per IS 9595 as per site QMS. | 6 years experience |
| Welding | BHEL WRI Tiruchirappalli, Welding Technology (SSTC / RDSO / 2W). Certificate W-4 / 12 / 2026. | 27 Jan - 30 Jan 2026 at WRI, BHEL; AWS educational institution member programme. Welder re-qualification per IS 9595 as per site QMS. | 5 years experience |
| Welding inspection | BHEL WRI Tiruchirappalli, Welding & Inspection (SSTC / RDSO / 1E). Certificate S-4 / 05 / 2026. | 27 Jan - 31 Jan 2026 at WRI, BHEL; AWS educational institution member programme. | 3 years experience |
Welding & welding inspection certificates
Scanned copies of operative welding and welding inspection qualifications on file.
Welding — Manish Kumar Sah · W-4 / 13 / 2026
Welding — Sajid Ahamad · W-4 / 12 / 2026
Welding inspection — Bikku Kumar · S-4 / 05 / 2026
Details of Testing Facilities
Physical, chemical and mechanical, DPT, and UT / PAUT / RT with testing mode details.
| Testing Type | Testing Mode | Details |
|---|---|---|
| Physical, chemical and mechanical | Outsourced | Physical / chemical / mechanical and micro-structure tests routed through external laboratories as required. |
| DPT | In-house | Dye Penetration Test capability is listed in the infrastructure setup. |
| UT / PAUT / RT | Outsourced | Ultrasonic testing and radiography are handled through outsourced support as required by project scope. |
Power Demand & Installed Power Supply
Declared power demand and supply for fabrication operations at the facility.
| Power Field | Details |
|---|---|
| Power Demand | 284 KVA power supply. |
| Installed Power Supply | 315 KVA power supply available for fabrication operations. |
Details of Executed Works / Supplies in Last 5 Years
Executed fabrication and supply by client, scope, project location, and quantity (MT).
| Sl. No. | Client | Description of item | Project name | Qty. (MT) |
|---|---|---|---|---|
| 1 | The Braithwaite Burn and Jessop Construction Company Ltd., Kolkata | Steel truss / plate girders | Major bridge in connection with new BG electrified double line railway track between Kharsia and Gurda, Chhattisgarh | 716.0 |
| 2 | Shree Balaji Engicons Pvt. Ltd, Odisha | Fabrication of 10 spans of 30.5 mtrs open web girder including rivets | NTPC Lara Raigarh, C.G. | 250.0 |
| 3 | Jhajharia Nirman Limited, Chhattisgarh | Fabrication of 18 meter span road over bridge (ROB) including studs & painting | South Eastern Coalfield Limited, Kusmunda, C.G. | 52.0 |
| 4 | Jhajharia Nirman Limited, Chhattisgarh | Fabrication of 24 meter span road over bridge (ROB) including studs & painting | South Eastern Coalfield Limited, Kusmunda, C.G. | 195.0 |
| 5 | Shree Balaji Engicons Pvt. Ltd, Odisha | Fabrication of 1 span of 18.0 mtrs composite girder including supply & fittings of studs as per RDSO | NTPC Project Tamnar, C.G. | 41.0 |
| 6 | Shree Balaji Engicons Pvt. Ltd, Odisha | Fabrication of 2 spans of 24.0 mtrs composite girder as per RDSO Drg. | NTPC Project Tamnar, C.G. | 96.0 |
| 7 | Shree Balaji Engicons Pvt. Ltd, Odisha | Fabrication of 24.4 mtrs. span - 6 leaves upto Belpahar | MCL- Y curve, Bandhbahal, Belpahar, Jharsuguda | 316.5 |
| 8 | Shree Balaji Engicons Pvt. Ltd, Odisha | Fabrication of 30.5 mtrs. span - 2 leaves upto Belpahar | MCL- Y curve, Bandhbahal, Belpahar, Jharsuguda | 157.0 |
| 9 | Sunil Kumar Agrawal, Odisha-769004 | Fabrication, blasting, metalizing & painting of FOB-girders upto site - Kapan station | FOB-girders - Kapan station | 50.0 |
| 10 | Sunil Kumar Agrawal, Odisha-769004 | Fabrication, blasting, metalizing & painting of FOB-girders upto site - IB station | FOB-girders - IB station | 50.0 |
| 11 | Shree Balaji Engicons Ltd, Jharsuguda | Railway composite girder span 36 mtr, no. of span - 4 nos - 5 leaves | MCVL-HANDIDUA | 210.0 |
| 12 | Shree Balaji Engicons Ltd, Jharsuguda | Composite plate girder 36 mtr, no. of span - 01 nos | MCVL-HANDIDUA | 203.0 |
| 13 | Shree Balaji Engicons Ltd, Jharsuguda | Composite plate girder 19.25 mtr, no. of span - 02 nos | MCVL-HANDIDUA | 114.4 |
| 14 | Shree Balaji Engicons Ltd, Jharsuguda | Composite girder 30.0 mtrs, no. of span - 2 nos | Pasan-Gevra-Pendea | 205.0 |
| 15 | Shree Balaji Engicons Ltd, Jharsuguda | Composite girder 24.0 mtrs, no. of span - 3 nos | Pasan-Gevra-Pendea | 229.0 |
Need RDSO compliance documents or a technical discussion?
Our team can walk through RDSO scope, QA documentation, and project-specific requirements.