Your Partner on Tracks
Chakradhar Industries LLP (CDI), Leading Manufacturer and Exporter of Alumino Thermit Welding Kits, Small Track Machines and Railway Equipment.




What We Do
Chakradhar Industries LLP (CDI), since its inception in 2012 has earned reputation as leading manufacturer and exporter in the Alumino Thermit (AT) Welding Kits, range of Small Track and Ultrasonic Testing machines for Rail/Weld.
Chakradhar industries has developed it core competence in the field of Thermit Welding and being a full-service provider. With forward thinking view and problem solving approach, we are most reliable partner for safe tracks.
The growth is primarily contributed due to our continuous efforts towards innovation, customer satisfaction and competitive solutions has won the confidence and trust of customers.
Our Products
Our world class products and customer centric approach is driving the development of worldwide railway infrastructure and modern transportation. Quality & Safety are our core values.

Alumino Thermit Welding Portions
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Rail Drilling Machine - (Fuel Operated)
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Portable Genset (To Operate Grinder Machine To Grind Thermit Welding Rail Joints)

Light Weight Rail Drilling Machine 20 Kg

Light Weight Abrasive Rail Cutter 22 Kg

Battery Operated Impact Wrench

Battery Operated Rail Drilling Machine
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DRT (Double Rail Tester)
Our Services
At Chakradhar, entire range of railway track maintenance services available under One Roof

On site - AluminoThermit Welding Execution
- Thermic Portion
- Prefabricated Moulds
- Luting Sand
- Single Shot Crucible fitted with Auto Thimble
- Igniter

Provides Track Maintenance Services
- Abrasive Rail Cutter & Disc
- Compressor Air Petrol Blower
- Weld Trimmer
- Rail Profile Grinder
- Other Equipments for Welding and Testing

Conducts Training Workshops & Technical Assistance
- Welding Demonstrations
- Beginner and Advanced Welders
- USFD Testing of Welds/Rails
- Safety Measures
USFD Testing for Rail / Weld
- On-site AT Welding Execution
- Welding All Types of Rails
Our Major Projects
Some Of Our Major Executed & Under Execution Projects.
East Central Railway – Patna Division
LOA No. CAO-C-HQ-ENGINEERING /ECR-CAO-C-N-ETN-34-20-21 /00882460029911 Dated 22-12-2020 For Supply of portion and welding of 60Kg/52Kg/90R (New/SH, 90/72 UTS) rail joints by SKV with latest process (25mm gap) on cess/in situ as per IRS specification T-19-2012 with contractor's materials, labour, T&P etc. including welding supervisor complete between Muzaffarpur to Jiwdhara in connection with MFP-SGL doubling project. (52 Kg/90UTS: 600 Nos & 60Kg/90 UTS: 4500 Nos.)
East Central Railway – Patna Division
LOA No. CAO-C-South-HQ-Engg. -ECR-CAO-C-S-ETEN-14-19-20/00882460007970 Dated 14-10-2019 For Supply of portion & supervision for welding of 52 Kg/60 Kg. 90 UTS rail joints by SKV process in connection with Jarangdih to Ranchi Road with BG Rail Line doubling project under Dy. CE/C/Dhanbad. (52 Kg/90UTS: 2500 Nos & 60Kg/90 UTS: 4500 Nos.)
South Western Railway – Hubbali Division
LOA No. Bangalore Division-ENGG /13SBC19OF13-5-19ITEM4 / 00882460003759 Dated 19-07-2019 For Bangalore Division: Execution of Welding of Rails 52 Kg & 60 Kg Including Supervision. (52 Kg/90UTS: 6021 Nos & 60Kg/90 UTS: 12539 Nos.)
Western Railway
LOA NO. W.633/2/4/7,8,21-WA, W.631/2/4/4 S&T (Isolation 03 Station) WA Dt. 31.01.17 for Viramgam-Rajkot Section Welding of 52 Kg 90 UTS rails in situ with Single Shot crucible fitted in various locations under divisional Engineer (East) Rajkot's jurisdiction. (52 kg: 1000 nos.
Western Railway
LOA No. 17.201606030 Dt. 19.10.16 for Manufacture and supply of alumino thermit welding portions (using compressed air petrol pre-heating system) 3 piece prefabricated mould (Zircon washed) Manually pressed single shot crucible fitted with auto tapping thimble for western railway as per RDSO specification for IRS T/19-2012 (duly incorporating A & C slip no 2 of June 2015) as amended upto the date of opening of tender (a) 60KG/90UTS-25mm gap & (b) 52KG/90UTS-25mm gap (with list of equipment/consumable etc. as per the list in annexure). (52 kg: 3238 nos. & 60 kg : 8355 nos.
Eastern Railway – Malda Division
LOA No. MALDA DIVISIONENGINEERING/ 119-MLDT-2020-21 /00882460034316 Dated 09-04-2021 For supply of SKV welding portions under Divisional Engineer/III/Eastern Railway in Malda Division. (52 Kg/90UTS: 575 Nos & 60Kg/90 UTS: 1400 Nos.)
West Central Railway – Bhopal Division
LOA No. BHOPAL DIVISION-ENGG /WCR-BPL-W-20-21-C-43-168 /00882460035068 Dated 01.05.2021 For Supply welding portions of 52 Kg & 60 Kg. 90 UTS Rails with Single Shot Crucible under Sr. DEN/C/BPL Bhopal section. (60Kg/90 UTS: 1800 Nos.)
Central Railway
LOA NO. BHUSAWAL DIVNENGINEERING / DRMWBSL052020T1 Dt. 07.04.20 for Welding of rail joints (2137 Nos.) in situ / cess and supply of AT weld tools and equipment and accessories with all mechanical equipments in IGATPURI-PACHORA section of Sr. DEN (South) Bhusawal jurisdiction. (60 kg : 2137 nos.
South Western Railway
LOA NO. 36UBL18-19Dt060319 Item Dt. 03.07.19 for Hubballi Division: Supply and supervision of welding portions in Sr.DEN/West/UBL Jurisdiction. (52 kg: 3100 nos. & 60 kg : 1800 nos.
West Central Railway
LOA NO. W.623/15/2016 Dt. 30.05.17 for NAD-Kota Section: Welding of 60 Kg 90UTS rails in-situ with single shot crucible fitted in connection with various sanctioned track works. (60 kg: 1000 nos..
South Western Railway
LOA No. W.496/UBL-JRU Dt. 05.10.18 for Hubballi - Chikjajuru doubling project / Arsikere - Tumkuru Tumkur-Gubbi section / between Km.40.00 to Km.68.00 from Gangavathi and Karatagi stations / Jolarpettai-Bangalore City Section / bettwen Minchnal-Wandal/ Londa-Miraj and Gadag-Hotgi Welding of 52 Kg, 60kg/90UTS rail joints on BG track by Alumino Thermit SKV process. (52 kg: 2948 nos. & 60 kg : 5811 nos.
Our Clients















