Dry roast chutney dal in a heavy bottomed pan for 2 minutes.Keep it aside.
In a heavy bottom pan, add ghee and sugar so that it starts to melt.
Add jaggery and cook for 2 minutes on low flame,till it forms a homogeneous mixture
Keep stirring on a medium flame till sugar gets caramelized and you get a boil.
Drop few droplets of mix in bowl of water, if it crystalizes, then its ready.
Add cardamom powder to it along with roasted chutney dal and turn off the heat.
Pour the mixture on a greased plate/baking sheet and roll with a rolling pin to even it.
While it is still warm cut 1' squares incisions and let it cool.
Break into pieces once it cools off
Store brittle in a tight container.