Every year, as Ganesh Chaturthi approaches, the familiar sight of Ganesha idols begins to appear across Indian cities. Workshops become busy, artists shape familiar forms, and streets fill with colour. Yet beneath the decoration lies a question that deserves more attention: what is the idol actually made of?
For generations, the material used to create a Ganpati idol has often been treated as a practical decision. It needs to hold its shape, capture intricate details and survive transportation before eventually being immersed in water. But the material also determines what happens to the idol at the end of its festive journey.
This is where the conversation around clay Ganesha idols and sustainable idol-making begins.
When the material matters
Plaster of Paris, commonly known as POP, has been used for idol-making because it is lightweight, workable and capable of producing detailed designs. However, it behaves differently from natural clay when it comes into contact with water. It does not simply return to the earth in the way an untreated clay idol can.
That difference has made idol material an increasingly important part of conversations around environmentally conscious celebrations.
The alternative is not necessarily about abandoning craftsmanship or tradition. It is about looking again at materials that have long been part of Indian craft practices.
Clay has an almost poetic connection with the festival. It begins as earth and can be shaped by hand into an image that carries enormous cultural meaning. After immersion, an unpainted and appropriately prepared clay idol can break down in water and gradually return to its natural form.
For environmentally conscious consumers, this creates a simpler material story: earth becomes form, form becomes part of the celebration, and the material can return to the environment.
But not every idol described as ‘eco-friendly’ is automatically the same. Clay may be combined with paints, coatings, decorations or other materials. The environmental impact of an idol therefore depends on more than the word printed on its label.
Beyond clay: Looking at natural materials
The search for alternatives has also encouraged artists and makers to experiment with natural and biodegradable materials. Paper-based materials, plant fibres, natural colours and other locally available resources can offer different possibilities for festive craft.
Some approaches focus on reducing the amount of material used. Others explore idols designed to dissolve more readily or avoid synthetic additions. There are also artists who treat the idol itself as a temporary artwork, deliberately working with materials that are easier to return to the natural cycle.
The important shift is not simply replacing one material with another. It is rethinking the entire life of the idol.
An idol can be made from clay and still contain materials that complicate its environmental journey.
Paints, glitter, synthetic flowers, plastic decorations, varnishes and other embellishments can change what happens during immersion. This is why choosing a clay idol is only one part of making a more considered choice.
A genuinely material-conscious approach looks at the idol as a whole — its core, surface, colours, accessories and even the way it will be immersed.
For consumers, this can mean asking simple questions before buying: What is the idol made from? What has been used to colour it? Are the decorations natural or synthetic? Is the material untreated? Where will the idol go after the festival?
Tradition does not have to stand still
Festivals evolve. The way people decorate homes changes, food traditions adapt and artisans continually reinterpret familiar forms. Idol-making can evolve too without losing the identity of Ganesha Chaturthi.
In fact, returning to simpler materials can create a different kind of connection with the festival. A hand-shaped clay idol may carry small imperfections, visible textures and the unmistakable marks of its maker. Its temporary nature becomes part of its meaning.
The future of the Ganpati idol may therefore not be about finding one perfect replacement for POP. It may be about becoming more thoughtful about materials in the first place.
Because the question is larger than “What will the idol look like?”
It is also “What will happen to the material when the celebration is over?”
For a festival rooted in renewal, that may be one of the most meaningful questions we can ask.
Also read: Beyond Angkor Wat: Discovering Cambodia’s rare lotus silk tradition
