It takes several months to be dissolved.Even if it dissolves, it poisons the water and makes it unsuitable.
2)Chemical paint:-chemical paints are used to decorate the idols, these paints contain heavy metals such as mercury and lead, which seep into the water as the idol dissolves.
So what's the alternatives:-
1)1. Immersing the idol in a water tan constructed by the government, instead of directly into natural water bodies.
2. Using only a natural clay idol and immersing it either in the tank or in a bucket of water at home.
3. Immersing a 'betel nut' which symbolises the idol and reusing the same idol every year.
4. If one is using a PoP idol, simply sprinkling a few drops of water on it as a symbolic immersion and donating the idol to be recycled for the following year.
1. Avoiding the use of non biodegradable material such as thermocole altogether.
2. Composting all bio degradable material.
3. Distributing food itmes such as coconuts and fruits among the poor.
4. Recycling flowers to make hand made paper or dried flower products.