The Reserve Bank of India will roll out a field trial of polymer banknotes in the Rs 10 and Rs 20 denominations after the Finance Ministry approved the central bank’s proposal under Section 25 of the RBI Act, 1934. Minister of State for Finance Pankaj Chaudhary informed Parliament on July 29, 2026, that the trial will involve the issuance of one billion notes of each denomination.
The polymer banknote trial marks India’s most significant currency-material experiment in decades. Unlike the cotton-based paper currently used for all denominations, polymer notes are thin plastic substrates that are more resistant to moisture, dirt and physical wear. The RBI has previously examined polymer substrates on a limited scale, but this is the first time a full-fledged field trial covering two billion notes combined has been sanctioned by the government.
Why Is RBI Testing Polymer Notes for Rs 10 and Rs 20?
The Rs 10 and Rs 20 notes are the most heavily circulated and physically abused denominations in India, changing hands multiple times a day in cash-heavy retail, transport and agricultural markets. Paper notes in these denominations typically have the shortest lifespan of any currency in circulation, requiring frequent replacement. RBI data has repeatedly flagged high printing and replacement costs for low-value notes as a drag on currency management expenses. Polymer notes, used successfully in countries such as Australia, Canada and the United Kingdom, last two to four times longer than paper notes, which could meaningfully cut the central bank’s annual currency printing bill if the trial succeeds and the format is scaled up.
What Does the Approval Process Involve?
The approval was routed through Section 25 of the RBI Act, 1934, which governs the design, form and material of banknotes and requires central government sign-off on the RBI’s recommendation. Chaudhary’s written reply in the Lok Sabha confirmed that the government has cleared the proposal but did not specify a launch date, region of circulation, or the printing press assignment for the trial batch. Currency experts note that field trials of this kind are typically run in select cities or states first, with usage and durability data collected before any decision on nationwide rollout.
Market and Trade Reaction
Banking and currency-management analysts have broadly welcomed the move, noting that polymer notes could reduce the load on RBI currency chests and bank branches that handle frequent replacement of soiled small-denomination notes. There has been no market disruption expected from this announcement since polymer and paper notes are designed to circulate concurrently as legal tender during the trial period, similar to how the RBI has phased in redesigned notes in the past without withdrawing older series immediately.
What Happens Next?
The RBI is expected to notify trial locations, the printing timeline and monitoring protocols in the coming months. Officials will track durability, counterfeiting resistance and public acceptance during the trial before recommending whether to expand polymer notes to higher denominations or scale up nationally. Any decision to replace paper notes permanently would require a fresh round of RBI Act approvals and central bank board clearance.
Frequently Asked Questions
What is the RBI polymer banknote trial about?
It is a field trial approved by the Finance Ministry under Section 25 of the RBI Act, 1934, under which the RBI will issue one billion polymer Rs 10 notes and one billion polymer Rs 20 notes to test durability, cost savings and public acceptance.
Will paper Rs 10 and Rs 20 notes stop being legal tender?
No. Existing paper notes remain valid legal tender and will continue circulating alongside the polymer notes during the trial period; no withdrawal of paper currency has been announced.
Why did the government choose Rs 10 and Rs 20 for the trial?
These denominations see the highest transaction frequency and the fastest physical wear, making them the biggest contributors to the RBI’s currency printing and replacement costs, so a durability gain from polymer material has the largest potential cost benefit.
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