Diamond Core Drilling
Precision diamond coring for exploration and geotechnical programs, surface and underground.
Directional & Multibranch Drilling
Controlled directional drilling and multibranch solutions to reach complex targets efficiently.
Underground & Raise Boring Support
Specialised underground drilling, raise pilot holes and support services for safe development works.
Geophysical Logging & Surveys
Integrated downhole logging, directional surveys and geophysical services to ensure accurate data collection.
About
Find Out More About Us
Transnational Drilling & Mining Associates Pvt. Ltd. began operations in February 2009 with a simple mission : to be a “World Class Exploration & Drilling Service provider.”
Our business philosophy is based on four core values – Promoting Safety Culture, Client Focus, Operational and maintenance excellence, Leadership in manning, Managing exploration and directional drilling services. We believe that the ultimate identity and success of our company will reside in the exceptional quality of our work force and our extraordinary efforts. For this reason, We are committed to hiring, developing, motivating and retaining the best people in the industry.
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Mission
To be a “World Class service provider” inline with international standards and best practices in terms of Safety, service and maintenance, technological support, service levels, risk management and training. The objective is to build sound client base across world so as to be a preferred service provider of Exploration & Drilling for clients.
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Operation
Orientation program is known as ‘Swagat’ for new employees. Where the employees are made familiar with the policies, culture, background and the basic things he/she is supposed to do in the organization.
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Our Team
Employees are well-motivated and Friendly. Team enjoys working and supporting each other to maintain service standard. Professional relationships exist throughout the organization, with high levels of trust, openness and no blame culture, encouraging continuous improvement in Safety culture.
Employees
Engineers
Geologists,Geophysicist
Surveyor
ACHIEVEMENTS
Key Achievements
- Deepest bore hole drilled 1803m in NQ size (76mm) at surface in Zinc & Lead in 2014.
- Deepest bore hole drilled 2436m in HQ & 2680m in NQ for CBM in 2025.
- Highest drilling of 1408m by UDR 200 (SANDVIK) in 2021.
- Deepest bore hole drilled 1120m in BQ Size (60mm) underground by MCR Rig (EPIROC) for Galena in 2019.
- 2093m drilling by one MCR rig in underground in 2022.
- 1+5 daughter holes drilling using Motorized Directional Drilling (MDD) in 2018 — only organization in India to do so.
- 22705m drilled in one month from 23 rigs in Zinc, Lead & Silver in 2022.
- PVC casing installed successfully in 1500m depth holes several times.
- Underground drive completed at depth of 687m using HQ (96mm) with Deviation Control tools.
- Consistent drilling accuracy hitting 12.5×12.5m radius window up to 1500m boreholes.
- Highest drilling record holder for the past 16 years at Vedanta (HZL).
- Successfully completed drilling projects across multiple formations including Zinc, Lead, Silver, Coal, Phosphate, Iron & Chrome ore.
- Saved up to 40% cost for clients via Multibranch Directional Drilling from single collar/mother hole.
HSE
We follow strict HSE practices and have maintained excellent safety records across operations.
- LTI/MTI Free Hours recorded across multiple years.
- Zero fatalities maintained over long periods.
- Recognized for safety performance in audits and awards.
Services
Check our Services
Trusted service expertise powered by experience and performance.
Diamond Drilling for Mineral Exploration
Precision diamond coring for mineral sampling and geological logging across surface and underground targets.
Directional Drilling Services with Multi Branch Holes
Multi-branch directional drilling to reach complex targets with reduced surface footprint and improved sampling.
Service Hole Drilling with Great Accuracy into Mines
Accurate pilot and service hole drilling for underground access, utilities and geotechnical investigations.
Under Ground Drilling
Specialised underground drilling using compact rigs for production, development and exploration boreholes.
Air Drilling
Air percussion drilling for fast penetration in hard, competent formations with minimal contamination.
Coal Bed Methane
Exploration and development drilling services tailored for CBM projects, including casing and completion.
Raise Drill Pilot Holes
Pilot hole drilling for raise boring operations, ensuring alignment and safety for subsequent enlargement.
Down Hole Directional Survey and Planning
Integrated downhole surveying and planning services to control bore trajectories and meet target windows.
Blast / Paste Hole Surveying
Accurate blast and paste-hole surveying services to optimize fragmentation, reduce overbreak and improve safety.
Raise Bore Hole Surveying
Precision surveying for raise bore operations to ensure correct alignment and safe, efficient execution.
Geo Physical Logging Services
Downhole geophysical and logging services including natural gamma, resistivity and specialized tool deployments.
Under Ground Inclined Development
Inclined underground development drilling and excavation support for tunnels, drives and accessways.
Unit Head
Vedanta (HZL) — Surface Operations
TDMA consistently delivered precision drilling and outstanding safety performance during our large-scale surface projects.
Exploration Manager
Major Mining Client
Their directional drilling and multibranch solutions reduced field time and costs while improving sampling accuracy.
Operations Lead
Exploration Partner
Professional, responsive, and technically excellent — delivered consistently in challenging formations.
Directors
Our Directors
Our Directors — skilled, experienced, and committed to delivering excellence.
Sanjay Bansal
Director
Rajesh Bansal
Director
Perubemba subramanian laxmanan
Director
Pratik Bansal
Director
Our Fleet & Capacity
| Capacity | Unit | Description |
|---|---|---|
| Upto 3000m NQ | 2 Nos. | Multipurpose Surface Rigs |
| Upto 2000m NQ | 3 Nos. | Surface Core Drilling |
| Upto 1800m NQ | 12 Nos. | Multipurpose Surface Rigs |
| Upto 1500m NQ | 1 No. | Multipurpose Surface Rigs |
| Upto 1200m NQ | 8 Nos. | Multipurpose Surface Rigs |
| Upto 1000m NQ | 6 Nos. | Surface Core Drilling |
| Upto 750m NQ | 7 Nos. | Surface Core Drilling |
| Upto 500m NQ | 6 Nos. | Surface Core Drilling |
| Upto 900m BQ | 1 No. | Under Ground Core Drilling |
| Upto 600m BQ | 4 Nos. | Under Ground Core Drilling |
| Upto 400m BQ | 1 No. | Under Ground Core Drilling |
| Upto 2000m | 10 Nos. | Wireline Logging |
Portfolio
Check our Portfolio
Transnational Drilling & Mining Associates Private Limited.
- All
- Team
- Machinary
- Works
HSE
Health, Safety & Environment
- We adhere to rigorous safety protocols, ensuring a safe working environment for our teams and minimizing risks associated with drilling operation.
- LTI Free Hours at a stretch between 2018-2025.
- MTI Free Hours at a Stretch between 2017-2025.
- Zero Fatality in 16 years.
- No death record during the pandemic due to Covid; all Covid+ employees were properly treated and returned home.
- Awarded Multiple Best Employee of the Year (Individuals) for Safety Reporting.
- One of our employees was recognized as Green Soldier (2020).
- HZL appreciated many of our employees in Zawar for outstanding performance in VSAP audit (2020-22).
- Achieved overall >92% in Safety Scorecard during FY 21-22 in consecutive months.
- Outstanding Safety Performance — Zawar Surface Operations, Unit Head Award (2022-23).
- Installed AFSS as the first Exploration Business Partner in Surface Drilling Rigs.
Contact
Contact Us
Transnational Drilling and Mining Associates
Our Address
Transnational Drilling and Mining Associates Private Limited
Plot NO. 469, Anupam Square, first floor, Bhopalpura,
Udaipur,Rajasthan INDIA PIN 313001
Email Us
Info@tdma.ndsco.net
rajesh@mapl.in
Call Us
+91 8290 3173 53
+91 9983 3944 85
+91 9116 6105 24