For NMDC, the public information on each of these minerals comes from different sources:

1. Gold

- NMDC has entered gold mining through its Australian subsidiary, Legacy Iron Ore Ltd (Mt Celia project in Western Australia). Multiple news reports clearly state that NMDC has ventured into gold and expects profits from this Australian gold mine. (timesofindia.indiatimes.com)

2. Diamond

- NMDC operates the Diamond Mining Project, Panna (Madhya Pradesh), which is widely cited as India’s only mechanised diamond mine.

- Government/official overview of NMDC from the Ministry of Steel notes that NMDC has one Diamond Mining Project in Madhya Pradesh. (steel.gov.in)

- The Panna district profile also records that the diamond mines in Panna are managed by NMDC’s Diamond Mining Project. (en.wikipedia.org)

3. Cobalt and Nickel (Critical Minerals)

- NMDC has officially stated that it is pursuing overseas opportunities in lithium, cobalt and nickel through its Australian subsidiary (Legacy Iron Ore). This is specifically mentioned in:

- An Economic Times report where NMDC says it is “pursuing overseas mining opportunities for critical minerals like lithium, cobalt, and nickel through its subsidiary… including lithium mining operations in Australia.” (m.economictimes.com)

- Separately, NMDC’s broader plan to acquire critical minerals (in Africa, Australia, South America) is covered in another Economic Times/TOI-style report on its global diversification strategy. (economictimes.indiatimes.com)

4. Combined reference – Diamond, Gold, Nickel, etc.

- NMDC’s own annual-report–type documentation refers to exploration for multiple minerals together, mentioning:

- “minerals (Diamond, Gold, PGE, Nickel, etc.) in Jabalpur …” in a discussion on its prospecting activities. (nmdc.co.in)

- This is likely the origin of the “gold, diamond, nickel etc.” formulation you are referring to.

5. Titanium

- Titanium (and titanium-bearing ores like ilmenite, rutile, leucoxene) is classified by the Government of India as a critical mineral under the National Critical Mineral list, but I do not find any authoritative, NMDC-specific disclosure that:

- NMDC currently holds a titanium block, or

- NMDC has announced a concrete titanium mining project. (mines.gov.in)

- So, while titanium is on the national “critical minerals” list, public sources so far show NMDC clearly active in gold, diamond, lithium, cobalt, nickel and other critical minerals, but they do not yet confirm a specific NMDC titanium project. Any statement that “NMDC has entered titanium” should therefore be treated as unconfirmed based on current public data.

Summary:

- Confirmed by official or mainstream sources:

- Gold (Australian mines via Legacy Iron Ore)

- Diamond (Panna project, MP)

- Cobalt & Nickel (overseas critical-mineral strategy via Legacy/other acquisitions)

- Broader “Diamond, Gold, PGE, Nickel etc.” exploration references in NMDC’s own documents

- Not clearly confirmed:

- A specific NMDC titanium mining/exploration project; only that titanium is on the national critical minerals list.

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