A coconut shell is usually the last thing we think about after cracking open a coconut. Once the water and flesh are removed, the hard shell is often discarded or burned.

But across India, startups are looking at such leftovers differently.

From coconut shells and husks to rice husk and the ash left behind after burning it, agricultural waste is being turned into everything from kitchenware and gardening products to furniture panels and industrial materials.

The idea is simple: instead of treating farm waste as something to be thrown away, can it become the raw material for something useful?

Here are four Indian startups finding innovative ways to give agricultural waste a second life.

1. Thenga Coco: Giving discarded coconut shells a new life

In Kerala, where coconuts are part of everyday life, Maria Kuriakose noticed the potential in something most people simply discarded.

In 2019, she started Thenga Coco as a small backyard experiment to turn discarded coconut shells into useful, handcrafted products.

Today, the women-led startup sources shells from local coconut oil mills and temples and transforms them into bowls, spoons, soap dishes, teacups, salad bowls, smoothie bowls, planters and candle holders.

The shells are polished with coconut oil instead of chemical varnishes, keeping the products natural and suitable for everyday use.

There is also a livelihood story behind the products. Thenga Coco works with local artisans,........

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