Polymer currency
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Polymer currency
Context
The Reserve Bank of India (RBI) plans to introduce polymer (plastic) banknotes starting in FY28, initially piloting lower denominations (₹10 and ₹20). The central bank''s subsidiary, Bharatiya Reserve Bank Note Mudran Private Limited (BRBNMPL), initiated the procurement of polymer substrate sheets to roll out a trial batch of 200 crore pieces (totaling ₹3,000 crore).
Why Target Lower Denominations?
- High Velocity of Circulation: Lower denomination notes (₹10, ₹20) change hands far more frequently than high-value notes, leading to rapid soilage, tearing, and degradation.
- Cost of Replacement: Cotton-rag paper notes in these denominations have a short lifespan (often under a year), imposing recurrent replacement, logistics, and disposal costs on the central bank.
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Feature
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Cotton-Based Paper Notes
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Polymer Notes (BOPP)
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Lifespan
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Around 1–2 years for low-denomination notes
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2–4 times longer, and up to 6 times depending on denomination
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Manufacturing Cost
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Lower initial printing cost
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Higher upfront cost, but durability reduces replacement costs
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Counterfeit Resistance
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Watermarks, security threads, micro-lettering
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Transparent windows, holographic/metallic features and tactile elements make replication harder
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Environmental Impact
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Frequent replacement increases printing and disposal-related emissions
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Longer life can reduce lifetime carbon footprint; polymer can also be recycled into industrial products
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Hygiene & Handling
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Absorbs moisture, sweat, grease and dirt; can support microbial contamination
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Non-porous and water-resistant, making it easier to clean and more resistant to moisture and dirt
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Durability
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More vulnerable to tearing, folding and moisture
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Better resistance to water, tearing and general wear
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End-of-Life
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Usually shredded and disposed of or incinerated
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Can be recycled into products such as plastic goods, pipes and bins
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Key Concerns & Vulnerabilities
- Import Dependence & Strategic Vulnerability: India currently lacks domestic capacity to manufacture secure polymer substrates, risking dependence on foreign suppliers for legal tender raw materials.
- Geopolitical & Supply Chain Risks: Strict firewalling requirements are essential to ensure supplier entities have no operational or intelligence linkages with adversarial nations.
- Transition Costs: Calibrating cash sorting machines, note processing systems, and ATM dispensing mechanisms requires significant capital expenditure.
- Climate Suitability: Polymer notes must withstand India’s extreme environmental variations, from high humidity to extreme summer heat (which can affect note stiffness and handling).
Legal & Institutional Architecture of Indian Currency
Legal Tender Framework
- Banknotes (RBI Act, 1934): Section 26(1) provides that every banknote issued by the RBI is legal tender guaranteed by the Central Government across India. (₹1 notes are issued directly by the Government of India).
- Coins (Coinage Act, 2011): Coins of ₹1 and above are legal tender up to a single-transaction limit of ₹1,000. Coins of 50 paise are legal tender up to ₹10.
Printing Presses & Mints
CURRENCY INFRASTRUCTURE
- SPMCIL (Govt. of India Enterprise)
- Presses: Nasik (Maharashtra), Dewas (Madhya Pradesh)
- Mints: Mumbai, Hyderabad, Kolkata, Noida
- BRBNMPL (Wholly Owned RBI Subsidiary)
- Presses: Mysuru (Karnataka), Salboni (West Bengal)
Way Forward
- Phased Pilot & Stress Testing: Test the thermal and mechanical resilience of polymer notes across varied Indian climate zones before full-scale adoption.
- Indigenisation of Substrate: Expand domestic capabilities under the Make in India initiative to manufacture polymer substrates locally (similar to the Security Paper Mill in Hoshangabad for paper currency).
- Synergy with Digital Currency: Balance polymer cash circulation with the rollout of the Central Bank Digital Currency (e-Rupee) to minimize overall physical currency handling costs.
Practice Question
The introduction of polymer currency notes addresses the operational challenges of high-velocity cash handling while raising strategic supply chain questions." Examine the economic and security rationale behind the RBI’s move to introduce polymer banknotes. (250 words, 15 Marks)
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Posted on 10-08-2026 • By Admin
