India's Production Linked Incentive (PLI) scheme for the automotive and auto components sector — formally the PLI Scheme for Automobile and Auto Components — represents one of the most significant policy interventions in the sector's history. By offering financial incentives linked to incremental sales growth of Advanced Automotive Technology (AAT) products, the scheme is reshaping investment patterns across the automotive supply chain. For aluminium casting suppliers with Tier-1 ambitions, understanding the scheme's structure, its beneficiaries, and the downstream supply chain implications is not optional background knowledge — it is directly relevant to who is spending money on new capacity and what they will need from their casting suppliers.
How the PLI Scheme Works
The auto PLI scheme operates on a simple incentive structure: approved applicants receive a cash incentive of 13–18% of their incremental sales of AAT products over a baseline year, calculated annually over five years. The scheme is split into two components — one for OEMs (Champion OEM Incentive Scheme) and one for component manufacturers (Component Champion Incentive Scheme). The component manufacturer track is directly relevant to the casting supply chain: approved Tier-1 and Tier-2 component manufacturers who are investing in AAT-aligned production receive incentives that effectively subsidize their capital expansion. The list of approved AAT components includes electric vehicle powertrains, advanced driver assistance system (ADAS) hardware, hydrogen fuel cell components, and safety-critical structural components. Several of these — EV motor housings, inverter enclosures, battery structural components, ADAS sensor brackets — are cast aluminium parts.
Who the Scheme's Beneficiaries Are — and What They Are Building
The approved beneficiaries under the auto PLI component track include a significant proportion of India's major Tier-1 casting and machined component suppliers. Companies like Bharat Forge, Endurance Technologies, Minda Industries, Motherson Sumi, and several others with casting divisions are PLI beneficiaries and are using the incentive-backed cash flows to fund capacity expansion in EV-compatible component lines. This investment is creating new casting capacity and, importantly, new demand for casting supply chain services — including outsourced casting of specific part families where the PLI beneficiary is primarily an assembler or machiner rather than a captive caster. For Tier-2 casting suppliers, the PLI scheme is creating pull rather than push: customer capital investment is expanding production capacity that needs casting inputs.
The IATF 16949 Prerequisite
Entry into the supply chains of PLI beneficiaries has a non-negotiable quality prerequisite: IATF 16949 certification. This international quality management system standard for the automotive sector covers not just quality documentation but process control, measurement system analysis, statistical process control, and customer-specific requirements management. For a foundry that has not yet achieved IATF 16949 certification, the PLI-driven expansion of Tier-1 customers is visible opportunity that is not yet accessible. The certification process typically takes twelve to eighteen months from a prepared starting point — it requires documented control plans, FMEA for all casting processes, calibrated measurement equipment, trained internal auditors, and a third-party audit by a IATF-accredited certification body. For foundries currently operating under ISO 9001, the gap is significant but bridgeable with focused investment.
Advanced Automotive Technology Components: The Casting Opportunity
The specific AAT components that drive the PLI incentive are a useful map of where casting investment is being directed. EV traction motor housings — typically produced in LM25 or A356 alloy with T6 heat treatment, requiring close bore tolerances for bearing fit and good thermal conductivity for heat dissipation — are high-value casting components with growing demand. Battery enclosure structural members, whether cast or extruded, require aluminium with good corrosion resistance and structural integrity. Power electronics housings for inverters and on-board chargers require castings with integrated cooling features and EMI shielding provisions. Each of these is a technically demanding casting application, but none is beyond the reach of a Kolhapur foundry with a functioning quality system, proper alloy control, and investment in post-cast machining capability.
Positioning for the PLI Supply Chain
For casting suppliers looking to access PLI-beneficiary supply chains, the positioning strategy has three elements. First, quality system development: achieve or maintain IATF 16949, and invest in the measurement and SPC infrastructure it requires. Second, technical capability development: build specific competence in the alloys and processes relevant to EV casting — T6 heat treatment, LM25 alloy control, thin-wall casting capability. Third, customer relationship development: identify which PLI beneficiaries in western Maharashtra are expanding EV component capacity, establish technical contact at their engineering teams, and participate in the PPAP qualification process for a target component. The PLI scheme has put serious money into India's automotive component sector. The casting suppliers who capture a share of that investment are those who show up qualified, capable, and ready to engage at a technical level.