NO: MSE-29022|62293|2025|MSE(HQ)

Dhanbad, Date: 23/05/2025

DGMS APPROVAL NO.-MSE_62293/2

From

Director General of Mines Safety
Directorate General of Mines Safety,
P.O & Distt: Dhanbad - 826 016.

To

Shri. MILIND DESHMUKH, SOLAR INDUSTRIES INDIA LIMITED,

SOLAR INDUSTRIES INDIA LIMITED, SOLAR HOUSE,

14, KACHIMET, AMRAVATI ROAD, NAGPUR - 440023
Maharashtra, NAGPUR, NAGPUR, 440023

Subject: Approval under Regulation 200 of the Coal Mines Regulations, 2017 of Shock Tube Initiator - SuperShot™ manufactured by M/s Solar Industries India Limited for use in Opencast Coal Mines in India.

Sir,

Please refer to your online application Id.No.62293, dated 29.03.2025, on the above subject.

In view of the satisfactory field trail performance reports from user mines and tests reports from CSIR-CIMFR, Dhanbad vide Project Report No.SSP/846/2024-25, June 2024, I, in exercise of the powers conferred on Chief Inspector of Mines, also designated as Director General of Mines Safety under Regulation 200 of the Coal Mines Regulations, 2017 hereby approve M/s Solar Industries India Limited for the use of Shock Tube Initiator - SuperShot™ in Opencast Coal Mines in India, subject to strict compliance of the following conditions: -

1. The Shock Tube Initiator - SuperShot™ for non-electric detonators (shock tube initiator) shall be identical in construction and shall conform to the specifications, builds, design and subjected to performance & safety tests at the CSIR-CIMFR, Dhanbad vide Project Report No.SSP/846/2024-25, June 2024 manufactured by M/s Solar Industries India Limited.  No changes in design, construction, or materials shall be made without obtaining prior approval from this Directorate.
2. The Shock Tube Initiator - SuperShot (exploder) shall carry:
   1. DGMS approval mark No.SA-03/2025 and shall be clearly marked as follows: “FOR USE IN OPENCAST COAL MINES ONLY".
   2. The name, Make, Model or Trade mark of the applicant.
   3. Any essential instruction for use.
3. This approval shall remain valid for a period of five years from the date of issue of this letter.
4. Manufacturer shall prepare SOP for the safe use of the apparatus in consultation with the user mine.
5. An officer of this Directorate, may at any time cause/collect samples of exploder (Shock Tube Initiator - SuperShot™) to be retested in any approved laboratory/test house at the manufacturer’s cost.
6. (a)Proper arrangement for after sale technical services and for training to the maintenance personnel in mines shall be made. Any complaint from the consumer about the quality of the product shall be promptly attended to and also brought to the notice of this Directorate.

(b) Every assistance shall be rendered to the users in proper use and maintenance as well as in the procurement of spares or proper maintenance of the product.

(c)Proper facilities for servicing and repair and testing of the repaired exploder (Shock Tube Initiator - SuperShot™) shall be provided by the manufacturers.

7. The users shall be trained to use this type of exploder (Shock Tube Initiator - SuperShot™) and regular maintenance of the exploder shall be carried out by the Service Engineer trained and appointed by the manufacturer. It shall be ensured that:
   1. the Inbuilt battery must always be charged/replaced in the safe area only.
   2. The battery or Shock Tube Initiator - SuperShot™ for non-electric detonators should not be opened in the hazardous area.
   3. With the Shock Tube Initiator - SuperShot™ for non-electric detonators, written instruction manual detailing the methods of operation, care, maintenance and limitations of use shall be supplied to the users.
   4. The user shall be supplied with the extract of the conditions and special conditions, if any, recommended in the test report with regard to the safety installation, operation and maintenance of the equipment.
8. The Shock Tube Initiator - SuperShot™ for non-electric detonator shall be kept in a suitable box with lock & key while use in mines and the authorised Shotfirer shall retain the key in his possession throughout his shift.
9. A quarterly statement of the orders receved and number of pieces supplied shall be submitted to this Directorate giving full address of individual mine for obtaining performance reports.
10. Please note that the above approval is also subject to the following additional conditions:
    1. If at any time, any of the conditions subject to which this approval has been granted is not complied with, the approval shall be deemed to have been revoked with immediate effect.
    2. This approval may be amended or withdrawn at any time if considered necessary in the interest of safety.
    3. This is being issued without prejudice to any other provision of law that may be or become applicable at any time.