# Delhi Couple Innovates Paper Pen With Leakproof Vegetable Oil Refill to Combat Plastic Waste

> Saurabh and Shivani Mehta developed an eco-friendly pen utilizing paper refills coated with vegetable oil, tackling the massive plastic footprint of daily stationery.

**Type:** article · **Category:** Startups · **Published:** 2026-10-14 · **Source:** TrendKia
**Canonical:** https://trendkia.com/en/startups/kagaja-se-taiyara-ki-riphila-delhi-ke-pati-patni-ne-plastika-kachara-mitane-ke-lie-shuru-kiya-anokha-startaapa-47495 · **Language:** English
**Tags:** Biodegradable Pen, Startup India, Saurabh Mehta, Shivani Mehta, Environmental Sustainability, Paper Pen, Plastic Free, Delhi Startup

Conventional writing instruments across retail shelves are manufactured almost entirely from non-biodegradable plastics that persist in landfills for decades. Addressing this overlooked ecological challenge, Delhi residents Saurabh Mehta and his wife Shivani Mehta launched an innovative enterprise dedicated to replacing throwaway plastic stationery. The entrepreneurial couple initiated their research in 2018-19 before officially incorporating their venture in 2021. The firm is now scheduled to commercially introduce its fully biodegradable paper pen on June 5, coinciding with World Environment Day.

## The Overlooked Accumulation of Disposable Pen Waste
Disposable stationery presents a continuous ecological burden that rarely receives serious scrutiny from regular consumers. A plastic pen manufactured seven decades ago likely still lingers intact in the natural environment today, contributing directly to the growing volume of persistent synthetic waste. In an ordinary writing pen, only about 5 percent of the total assembly accounts for actual utility, represented strictly by the metal nib and the internal writing ink. The remaining 95 percent of the pen, consisting of the external outer barrel and the inner refill chamber, is comprised entirely of disposable plastic. To eliminate this disproportionate 95 percent environmental footprint, the founders devised a functional alternative constructed primarily out of paper.

## Four Years of Material Research to Replace Plastic Refills
Crafting the external structure out of rolled paper presented few mechanical hurdles, but replacing the internal ink tube proved exceptionally difficult. Standard liquid ink naturally saturates or deteriorates raw paper walls, creating continuous leakage risks that complicated initial prototypes. Overcoming this hurdle required approximately 4 years of dedicated technical experimentation. The founders developed a specialized fabrication method where paper refills are internally lined with vegetable oil. This plant-based oil layer functions as a physical barrier that prevents ink seepage entirely. As a result, the finished instrument delivers writing performance and tactile ergonomics identical to regular retail pens without suffering from any fluid leakage.

## Seed Funding Deployment and Production Expansion Ambitions
Financial backing for early developmental hurdles arrived through public entrepreneurship initiatives. The startup secured an innovation grant of approximately 16 lakh rupees under the central government's Startup India Seed Fund Scheme. The founding team directed the entirety of this capital injection into rigorous product development and material refinement. While the initiative has operated primarily as a bootstrapped enterprise to this point, scaled commercial production will require additional institutional financing. The founders plan to raise fresh investment capital while encouraging established corporate stationery brands to collaborate, seeking to accelerate the broader adoption of biodegradable writing tools and sustainable paper pens across global supply chains.

## What this means for you
This breakthrough delivers a practical, leakproof alternative that directly reduces the massive volume of single-use plastic waste generated by daily writing tools.

- **Across India:** Consumers, offices, and students across the country will gain direct access to eco-friendly biodegradable stationery options. Widespread adoption can substantially diminish the non-biodegradable waste burden accumulating across Indian landfills.
- **In Delhi:** The capital-based innovation offers an accessible local solution to citywide solid waste and plastic management issues. Greater adoption across local institutions and corporate centers can directly lower urban plastic discards.
- **For stationery users:** The writing instrument matches standard retail pen ergonomics and functions smoothly without ink leaks. Buyers can participate in plastic reduction effortlessly without sacrificing reliability.
- **For green entrepreneurs:** The initiative demonstrates that persistent hardware design obstacles can be solved using accessible bio-materials like vegetable oil. Aspiring founders gain a viable blueprint for applying government grants toward sustainable industrial products.

## Why this happened
This venture emerged because roughly 95 percent of an ordinary pen consists of non-degradable plastic, leaving an invisible yet permanent trail of trash across the globe.

- **Disproportionate plastic ratio:** A pen contains merely 5 percent functional writing material in its nib and fluid, while the remaining 95 percent represents disposable synthetic casings and tubes. Eliminating that overwhelming plastic fraction motivated the alternative design.
- **Persistent ecological footprint:** Pens produced seventy years ago continue to exist in landfills today without decomposing. Addressing this persistent buildup inspired the founders to create a fully biodegradable alternative.
- **Engineering the leak barrier:** Uncoated paper refilling tubes inevitably absorb fluid inks and suffer structural breakdown over time. Applying an interior vegetable oil coat resolved the fluid-containment challenge after four years of experimentation.
- **Catalyst funding support:** A capital grant of approximately 16 lakh rupees from the Startup India Seed Fund Scheme enabled the necessary lab research, materials prototyping, and functional validation.

## Questions & Answers

### 1. Who founded this biodegradable pen startup and when did it begin?
Delhi residents Saurabh Mehta and his wife Shivani Mehta conceived the idea in 2018-19 and officially registered their company in 2021.

### 2. When is the paper pen scheduled to be commercially launched?
The venture plans to officially launch the biodegradable paper pen on June 5 to mark World Environment Day.

### 3. How does the paper refill prevent ink from leaking?
The interior surface of the paper refill is coated with vegetable oil, which acts as a barrier to stop ink from leaking.

### 4. What proportion of an ordinary disposable pen consists of plastic?
About 95 percent of a standard pen is plastic making up the body and refill, while only 5 percent represents the usable nib and ink.

### 5. How much financial support did the startup receive from the government?
The firm secured a grant of around 16 lakh rupees under the Startup India Seed Fund Scheme for product development.

### 6. How long did it take to develop the leakproof paper refill?
It took roughly 4 years of dedicated technical research to discover a reliable method to manufacture plastic-free paper refills.

## Inspiration & Lessons
The story of Saurabh and Shivani Mehta illustrates how persistent material research and eco-conscious thinking can transform conventional consumer manufacturing.

- **Spotting overlooked problems:** Identifying that 95 percent of an ordinary everyday utility item is discarded plastic enabled the founders to tackle an unaddressed environmental crisis.
- **Persistence through development hurdles:** Spending four full years resolving the technical challenge of paper refill ink leaks shows that patience is essential for hardware breakthroughs.
- **Harnessing natural materials:** Using common vegetable oil as an impermeable fluid barrier proves that sustainable engineering often lies in simple, organic solutions.
- **Targeted capital utilization:** Deploying the 16 lakh rupee government seed grant strictly into core product engineering allowed a bootstrapped business to reach launch readiness.

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