Heat the mustard oil in a pan.
Add the bay leaf, whole red chilli, cinnamon, cardamom and paas puron.
When the seeds begin to splutter, add the gooseberries over medium to high heat. Stir well for a minute.
Reduce the heat between low to medium. Add the turmeric, cumin, coriander and chilli powders. Keep stirring. The fruit will release its juices and start to soften.
Add the fennel seeds and mix in.
Add the salt and mix in. Keep stirring till the juices start to thicken slightly.
Add the jaggery and continue to stir till it melts completely and the mixture is bubbly.
Keep stirring constantly until the mixture thickens.
It is ready when a ladle pushed through the mixture makes a mark but soon covers it. It should fall easily from a spoon but shouldn't be watery.
Remove from heat and cool completely before storing in air tight containers. I kept mine in the fridge.
The chutney will thicken further on cooling, so ensure that it is not too thick when it is removed from heat.