Rajesh Sonkar

Technical mining engineer with versatile experience in mining operations of metal and non-metal mining. B.Tech (Mining) from NIT Raipur, MBA and M.Tech in Environment Engineering. 30 years of mining operations globally in capacities from Deputy Manager to GM. Extensive experience in Asia's biggest coal mines at Singrauli and NMDC iron ore Bailadila.

Strong expertise in mining operations, planning, drill blast, HSE compliance, and exposure working in Rwanda and Uganda in Kigali, Africa. Fluent in English with strong liaison and PR skills.

AGM mines - Hindustan construction company (HCC) - Mumbai, India

(2025-09)

Quarry management and tendering

Quarry Manager - Al tasnim Muscat - Sohar city, Oman

(2025-05 - 2025-06)

MDO operation of copper mines

GM - Intercontinental Technocrats & Consultants Pvt Ltd (ICT) - Kiratpur to Nerchowk Mandi, Himachal Pradesh, India

(2021-07 - 2025-04)

Tunnel execution in National Highway four-lane road project of 47.543km in HAM mode using NATM method. Tunnel area is 116m2 with five tunnels of length 6622m, maximum length of 1800m.

• Responsible for tunnel execution

Senior Manager-Mining - Afcons Infrastructure Pvt Ltd - Mumbai, India

(2019-10 - 2021-07)

Tunnel execution in National Highway six-lane road project using NATM method. Tunnel area is 158m2 with 7.5km x 2=15km twin tunnels, vertical shaft 70m and other infra excavations.

• Tunnel management
• Management of drill and blast designing in underground excavation, blast optimization thereby reduction of disturbance factors (control of overbreak and undercuts), cost optimization in blasting in Rs/m3 and to get maximum pull of 80 to 85%
• Management of blasting in open excavation, viaducts foundations, pre-splitting, controlled blasting and minimizing vibration levels. Optimization of powder factor
• Management and execution of 15km long tunnel, 70m vertical shaft, 504m long Adit, opening 8 faces in two tunnels

Mining cum Blasting expert - CEG/Consulting Engineers Group - Mumbai, India

(2018-04 - 2019-10)

Infra work for Navi Mumbai international airport land development. Management of DB designing, planning and supervision for production of 100000m3 of rock/day and rock filling in low-lying area.

• Supervision of Clearing and Grabbing (CNG), Compaction, rolling, checking field density test to check the compaction
• The required production was achieved with Blasting management, drilling 900holes/day with 40tons of explosive loading, controlled blasting and vibration under limits

Freelancer - APCO Infra pvt Ltd - NH Z Morh, Srinagar, Jammu & Kashmir, India

(2017-06 - 2017-12)

Responsible for business development and blast management of 6.5km long tunnel with area 150m2 in NH 1A Srinagar-Laddhak highway near Baltol.

• Management of drill blast operation, blast audit, Optimization and reduction in cost in Rs/m3

Blasting Consultant - JPMC/Jordan Phosphate Mining corporation - Gulf, Jordan

(2016-01 - 2023-12)

Visited various stone quarries and phosphate mines for management of mining operation and cost reduction.

• Demonstration of controlled blasting in JPMC site Alhisa, Eshidiya, BCM oil shale mines Qatranakarak, Zarqa, Alkarak, Dead sea Manaseer cement quarries
• Pre-splitting in sandstone/shale bench in limestone and stone quarries in and around Amman

Freelancer - M/s Exploblast Sdn Bdn - Kualalumpur, Bentong, Springsure, Malaysia

(2012-05 - 2012-05)

Management and Design of bulk emulsion explosives in iron ore and stone quarries.

• Design of bulk emulsion explosives in hole dia 159mm, increasing the density helped in reducing explosive (kg)/m resulting 10% increase in powder factor
• Suitability of bulk emulsion in hole dia of 100mm by changing design parameters of bulk emulsion, reducing viscosity of emulsion matrix below 30000centipoise

Agent-Mining/Addl.GM-Mining - PSU-Hindustan salts Ltd - Himachal Mandi, India

(2018-01 - 2018-05)

Management of rock salt production in underground rock salt mines.

• Planning and drivage of small tunnel of 36m2, 0.5km x 8 tunnels and laying of haulage system

Freelancer - SMEC - Chhatisgarh, India

(2013-10 - 2017-12)

Mining and Environment works in Chhatisgarh state.

• Preparation of quarry plans for minor minerals and online EC application and presentation in SEIAA

Camp Manager/AGM-Mining - Bhushan steel Ltd New Delhi/Bowen Energy - Bowen Basin Rollestone site Brisbane, Australia

(2012-06 - 2013-10)

Coal mining operations. Management of camp activities and supervision of mining activities and various pre-development work.

• Saved 1.8 crores while checking bills raised by clients. Contractor was claiming the full amount for standby hours due to faulty machine and breakdown but as per contract 50% to be paid for standby/breakdown hours

HoD-Mining - M/s Gupta coal Nagpur/PT Mandira Mitra coalindo - East Kalimantan, Samarinda city, Indonesia

(2011-04 - 2012-03)

Management and supervision of coal and OB production in opencast coal mines.

• Barge loading, jetty operations
• Liaison with nearby mine owners for coal procurement
• Business development, finding new KP and concession

Deputy Manager-Mining - INDIAN OIL CORP LTD - IBP Explosives Co Ltd - Various locations, India

(1996-02 - 2011-04)

Deputed in coal mines for 10 years in various mines of NCL-Singrauli, ECL-Rajmahal, SECL-Gevra, Kusmunda, Dipika and metal mines for 5 years at NMDC-iron ore Bailadila, HCL-copper Malanjhkhand, Nalco-Bauxite Damanjodi.

• Management for Blast optimization for shovel and dragline benches in Singrauli coal fields for Dragline benches up to hole depth of 55m, hole dia 311mm with bulk emulsion
• Management in Gevra, Kusmunda, Korba coal mining area in shovel benches
• Liaison with customers for NOC from DM office

Technical Supervisor - Various African Locations - Kigali, Rwanda

(2024-01 - 2024-01)

1 month visit for supervision of iron ore mining and exploration in Kigali.

B.E - Mining - NIT Raipur (1990-01 - 1994-12)

First class certificate - Metal - DGMS

MBA - IGNOU (2005-01 - 2007-12)

M.Tech - Environment Engineering (2014-01 - 2016-12)