Preheat the oven at 180℃ for 10 mins.
Line a baking tray with parchment paper.
Dissolve baking soda in hot water and keep aside.
Heat a pan on medium flame and add butter. Add liquid jaggery to melting butter.
Mix well. Remove it from heat, add dissolved baking soda.Mix well until well combined
Take a bowl, add oats. Add flour, mix well.Add desiccated coconut, mix. Add cane sugar and mix well.
Add liquid ingredients to dry ingredients. Mix well to combine.
Make equal sized balls. Press them on palm to flatten.
Keep on baking tray lined with parchment paper allowing space between the biscuits.
Bake in preheated oven at 180℃ for 15 minutes or until bottom turns brown.Cool on wire rack and serve them.