Why In News?

The government cleared the RBI's proposal to field-trial one billion polymer banknotes each in ₹10 and ₹20 denominations.

What Are Polymer Banknotes?

Unlike India's traditional notes made from 100% cotton comber and linter fibres, polymer notes use a non-fibrous, non-porous synthetic material.

Polymer currency notes are made from a highly engineered synthetic plastic called Biaxially Oriented Polypropylene (BOPP), replacing the conventional cotton-fibre paper base. This makes them durable, water-resistant and less absorbent, while allowing advanced security features.

Polymer banknotes are used in more than 50 countries, including Canada, the United Kingdom, New Zealand, Singapore and Vietnam.

  • Australia was the first country to issue a complete series of polymer banknotes in 1988.

Key Advantage: Their longer lifespan can reduce the frequency of replacement, potentially lowering printing, handling and environmental costs over the currency's life cycle.

Polymer notes combine durability + enhanced security + longer circulation life, making them an alternative to conventional cotton-based banknotes.

 Key Features of the Recent Proposal

  • ₹10 denomination: one billion pieces planned for the field trial phase.

  • ₹20 denomination: one billion pieces planned for parallel field trial.

  • One billion notes of each denomination: this two-billion-note combined pilot batch represents a large-scale, real-world test rather than a small laboratory-style trial.

  • Field trial: notes will be tested under "different climatic and usage conditions across the country," reflecting India's diverse humidity, temperature, and handling environments.

  • Regular issuance after successful trial: the government has tied any move to full-scale regular issuance to the outcome of this trial phase, not a predetermined rollout timeline.

  • Coexistence with existing notes: paper ₹10 and ₹20 notes will continue to be printed and circulated alongside the polymer trial notes, with no announced plan for a currency changeover  

Why Is India Introducing Polymer Banknotes?

Lower Replacement Frequency: Last 2.5–4× longer than paper notes, reducing printing and replacement needs. UK experience: polymer £5 lasted 5 years vs 22 months for paper.

Lower Lifecycle Cost: With ₹4,875 crore spent on currency printing in 2025–26 and ₹41.23 lakh crore currency in circulation, longer-lasting notes can reduce replacement and distribution costs.

Better Counterfeit Resistance: Transparent windows, holograms and optical security features are harder to replicate. India detected about 2.3 lakh counterfeit notes in 2025–26.

International Evidence: Canada, Australia and New Zealand reported strong counterfeit resilience after adopting polymer notes.

Greater Durability: Better resistance to moisture, dirt, heat and physical stress, especially useful for heavily circulated lower denominations.

Environmental Gains: Longer life means fewer notes manufactured. UK lifecycle assessments found polymer notes had lower environmental impacts under comparable lifetime assumptions.

Pilot-Based Adoption: RBI’s proposed field trials can test durability, security, machine compatibility, public acceptance and lifecycle costs before nationwide adoption.

Policy Caveat: Higher upfront production costs remain a concern. RBI should assess ₹/note lifecycle cost, survival period, counterfeit detection, ATM compatibility, recycling and carbon footprint before scaling up.

How Can Polymer Notes Improve Currency Security?

Advanced security features: polymer substrate supports embedded elements that are structurally different from — and often harder to replicate than — paper-based security threads and watermarks.

Transparent windows: a distinctive polymer-note feature, transparent see-through windows are extremely difficult to reproduce using standard paper-based counterfeiting methods.

Difficult-to-reproduce features: the combination of substrate texture, printing technique, and embedded elements raises the overall technical barrier for counterfeit production.

Counterfeit resistance: this combined effect is the primary security rationale the RBI has cited for exploring polymer currency, alongside the durability case.

Better machine authentication: the more consistent, non-porous polymer surface can support more reliable automated currency-counting and authentication machine performance compared to variably worn paper notes.

Source: THEHINDU

PRACTICE QUESTION

Q. With reference to India's polymer banknote field trials approved in 2026, consider the following statements:

  1. The field trial covers one billion pieces each of ₹10 and ₹20 polymer denominations.

  2. The government has announced that paper currency in these denominations will be fully replaced by polymer notes.

Which of the statements given above is/are correct?

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2

Answer: A

Explanation:

Statement 1 is correct: The Central Government approved the Reserve Bank of India's (RBI) proposal to introduce a field trial of one billion pieces each of ₹10 and ₹20 polymer banknotes, totaling two billion plastic notes.  

Statement 2 is incorrect: The government has explicitly clarified that there is no immediate plan or announcement to fully replace paper currency with polymer notes. Instead, the new polymer notes will co-circulate alongside existing paper-based substrate currency as legal tender. Regular or widespread issuance will only be considered after assessing the real-world durability and performance of these notes under Indian climatic conditions.