Clean Max Enviro Energy Solutions IPO Price: ₹163 to ₹172 per share
IPO Dates: 20th March – 24th March 2026

Company Overview
Incorporated in 1974, Central Mine Planning & Design Institute Limited (CMPDI) provides consultancy and support services across the full spectrum of coal and mineral exploration, mine planning, and design. The company also offers infrastructure engineering, environmental management, specialised technology services, and management systems, primarily serving the coal industry along with other minerals.
CMPDI is one of the largest coal and mineral consultancy companies in India, holding a market share of 61.0% in Fiscal 2025. It is also the preferred consultant for Coal India Limited.
Business Verticals
The company operates across multiple key verticals:
- Geomatics, Remote Sensing and Survey Services
- Geological Exploration and Resource Evaluation
- Mine Planning and Design Services
- Environmental Planning and Monitoring Services
Infrastructure and Capabilities
CMPDI is supported by advanced infrastructure that enables it to carry out a wide range of activities in the coal and minerals sector. As of March 31, 2025, the company operates one of the largest fleets of exploratory drilling equipment in India.
The company has also demonstrated its capability to handle large-scale mining projects by planning open-cast mines with an annual production capacity of up to 85 million tonnes and mining depths reaching up to 420 meters.
Geographical Presence
As of December 31, 2025, CMPDI operates seven regional institutes across major coal-producing states such as Madhya Pradesh, Chhattisgarh, Odisha, and West Bengal. These institutes support efficient project execution and enable close coordination with local mining operations.
Exploration Initiatives and NMET Projects
CMPDI actively participates in mineral exploration initiatives with support from the National Mineral Exploration and Development Trust (NMET).
As of December 31, 2025:
- Four approved projects have already been completed
- Eleven exploration proposals were submitted for minerals including bauxite, copper, magnetite, and zinc
- Six projects were approved
Competitive Strengths
- Multidisciplinary organization offering a comprehensive range of services
- Key consulting partner to Coal India Limited and the Ministry of Coal with a diverse client base
- Extensive expertise in executing exploration projects
- Advanced infrastructure supporting multiple services
- Strong parentage of Coal India Limited
- Experienced management team supported by a committed workforce
- Consistent track record of growth and financial performance
Bidding Starts In
Central Mine Planning & Design Institute IPO Specifics:
| IPO Date | 20 to 24 Mar, 2026 |
| Face Value | ₹2 per share |
| Price Band | ₹163 to ₹172 per share |
| Lot Size | 80 Shares |
| Sale Type | OFS only |
| Issue Type | Bookbuilding IPO |
| Listing At | BSE, NSE |
| Employee Discount | ₹8.00 |
| Total Issue Size | 10,71,00,000 shares (agg. up to ₹1,842 Cr) |
| Offer for Sale | 10,71,00,000 shares of ₹2 (agg. up to ₹1,842 Cr) |
| Share Holding Pre Issue | 71,40,00,000 shares |
| Share Holding Post Issue | 71,40,00,000 shares |
Clean Central Mine Planning & Design Institute IPO Timetable (Important Dates)
| Particulars | Date |
|---|---|
| IPO Open Date | Fri, Mar 20, 2026 |
| IPO Close Date | Tue, Mar 24, 2026 |
| Tentative Allotment | Wed, Mar 25, 2026 |
| Initiation of Refunds | Fri, Mar 27, 2026 |
| Credit of Shares to Demat | Fri, Mar 27, 2026 |
| Listing Date | Mon, Mar 30, 2026 |
Central Mine Planning & Design Institute IPO Lot Size
Bidders have the opportunity to bid for a minimum of 80 shares, with the option to increase in multiples. The table below outlines the minimum and maximum investment thresholds for both retail investors and High Net Worth Individuals (HNIs), specifying the corresponding number of shares and amounts involved.
| Application | Lots | Shares | Amount |
|---|---|---|---|
| Retail (Min) | 1 | 80 | ₹13,760 |
| Retail (Max) | 14 | 1,120 | ₹1,92,640 |
| S-HNI (Min) | 15 | 1,200 | ₹2,06,400 |
| S-HNI (Max) | 72 | 5,760 | ₹9,90,720 |
| B-HNI (Min) | 73 | 5,840 | ₹10,04,480 |
Central Mine Planning & Design Institute IPO Reservation
| QIB Shares Offered | Not more than 50% of the Net Offer |
| Retail Shares Offered | Not less than 35% of the Net Offer |
| NII (HNI) Shares Offered | Not less than 15% of the Net Offer |
Central Mine Planning & Design Institute IPO Financial Information
| Particulars (₹ Cr) | 31 Dec 2025 | 31 Mar 2025 | 31 Mar 2024 | 31 Mar 2023 |
|---|---|---|---|---|
| Assets | 2,911.12 | 2,682.80 | 2,171.37 | 1,919.53 |
| Total Income | 1,543.93 | 2,177.53 | 1,770.18 | 1,398.78 |
| Profit After Tax | 425.36 | 666.91 | 503.23 | 296.66 |
| EBITDA | 593.85 | 915.71 | 764.44 | 395.65 |
| Net Worth | 2,153.78 | 2,041.85 | 1,591.61 | 1,217.65 |
| Reserves & Surplus | 2,010.98 | 1,899.05 | 1,448.81 | 1,074.85 |
Key Performance Indicator -Central Mine Planning & Design Institute IPO
| KPI | Value |
|---|---|
| ROCE | 148.6% |
| RoNW | 36.7% |
| PAT Margin | 30.60% |
| EBITDA Margin | 42.10% |
| Price to Book Value | 6.01 |
| EPS (₹) | 9.34 |
| P/E (x) | 18.41 |
| Promoter Holding | 100% |
| Market Cap | ₹12,280.80 Cr. |
Prospectus Links:
Prospectus: Official documents that provide detailed information about the IPO and the company.
Central Mine Planning & Design Institute IPO DRHP
Central Mine Planning & Design Institute IPO RHP

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