India’s decision to adopt Ad Valorem Royalties for graphite, caesium, rubidium, and zirconium marks one of the most deliberate and far-reaching policy shifts in its resource sector in over a decade. Announced by the Union Cabinet on November 12, the move does more than modernize a fiscal mechanism — it signals India’s intention to climb the value chain in EV batteries, nuclear technology, aerospace components and high-tech manufacturing. For years, the sector has battled opacity and delays, with auctions stalled simply because royalty rates had not been defined. With the introduction of Ad Valorem Royalties, the government has finally delivered the predictability needed for serious investment.
Ad Valorem Royalties as a Catalyst for Mineral Auctions
Under the new framework, the royalty for each mineral will be tied to the Average Sale Price (ASP) rather than fixed per-tonne charges. Graphite now falls under a differentiated rate, with higher fixed-carbon grades charged lower royalties. Caesium and rubidium are positioned at two percent, while zirconium sits at one percent.
This clarity arrives after months of industry frustration, during which several auction-ready blocks — some with confirmed mineralization — were left idle. Private explorers, particularly battery-materials and specialty-chemicals firms, could not risk entering bids without knowing how Ad Valorem Royalties would affect long-term economics. With this uncertainty removed, states are now preparing to issue delayed auction notifications.
Graphite’s Centrality in Battery Manufacturing
Graphite remains India’s most strategically vulnerable critical mineral. It makes up nearly ninety-five percent of every lithium-ion battery anode, yet India continues to import the majority of its supply from China, which controls both the raw and refined graphite markets. China’s export restrictions on high-purity grades in 2023 sent a tremor through global supply chains and forced countries like India to rethink their dependency.
The adoption of Ad Valorem Royalties gives Indian miners and refiners a clearer financial runway, making it likelier that integrated graphite projects — from flake to spherical battery-grade material — will finally move ahead.
Caesium and Rubidium: Small Minerals With Outsized Impact
Though invisible to consumers, caesium and rubidium underpin precision technologies ranging from GPS timing and atomic clocks to night-vision optics and fibre-optic amplification. Globally, these minerals are extracted in extremely limited quantities, often from a handful of pegmatite bodies. India’s deposits remain lightly explored. But with royalty clarity now established through Ad Valorem Royalties, private exploration firms have stronger justification to enter a sector long avoided due to geological risk and regulatory ambiguity.
Zirconium and India’s Nuclear Ambitions
Zirconium plays a crucial role in nuclear reactor fuel cladding, aerospace alloys and heat-resistant ceramics. India’s nuclear programme — which includes new PHWR units and ongoing discussions around small modular reactors — has been expanding steadily. Zirconium imports remain costly and sensitive to global disruptions.
With the introduction of Ad Valorem Royalties, domestic extraction may finally become commercially feasible, encouraging investment in zirconium sponge and high-purity refining units.
A Global Race to Reduce Dependence on China
China’s dominance is well-established: over seventy percent of global graphite refining, near total control over battery-grade spherical graphite, and significant influence over caesium and rubidium chemical processing. India’s adoption of Ad Valorem Royalties represents an attempt to build an alternative narrative — one where supply chains are diversified, middle-class manufacturing is protected, and geopolitical risk is mitigated.
Australia, the United States, and the European Union have already aligned their funding and royalty models to stimulate domestic production of critical minerals. India is now entering the same competitive arena.
The Mining Sector’s Path Forward Under Ad Valorem Royalties
With royalty clarity in place, the next three months will likely see the release of long-pending auction notifications across Odisha, Andhra Pradesh, Rajasthan and Jharkhand. Explorers can now build financial models around real price cycles instead of hypothetical estimates.
The success of Ad Valorem Royalties, however, will depend on what happens after mining starts. If India fails to build midstream capacity — the refineries, processing units and chemical conversion plants that turn ore into high-tech material — it risks becoming an exporter of raw minerals and an importer of expensive final products. The value chain will remain offshore unless policy incentives move downstream.
Skillings Analysis
Skillings editors assess the reform as a decisive structural improvement:
“Ad Valorem Royalties give India the predictability global capital demands. The question is whether this will translate into midstream capacity, not just upstream extraction.”
“The minerals covered in this reform are too strategic to ignore. Battery-grade graphite alone could determine whether India’s EV ambitions remain aspirational or achievable.”
“For explorers, this is the first clear indication that India intends to align with global best practices in critical mineral policy.”
What to Expect Going Into 2026
The next quarter will be dominated by auction activity and early reconnaissance commitments. If states move quickly and midstream incentives follow, India could begin positioning itself as a reliable non-China supplier by late 2026 — just as global EV gigafactories negotiate new procurement cycles.
The adoption of Ad Valorem Royalties is not the final word in critical minerals, but it is one of the clearest signals yet that India is ready to compete in a market where timing, pricing, and geopolitical leverage are everything.


