Boil 50 grams of chillies in sufficient water for 5-6 minutes, add alum in it. Then remove the water and repeat the same steps in fresh water for 2 minutes.
Then strain the chillies and grind it in a coarse paste.
In a non-stick pan add ghee and saute the ground chillies in a pan for 3-4 on medium heat.
Add 2 tablespoons suji and saute for 4-5 minutes.
Then add 3 tablespoons sugar and cook on low heat for 4-5 minutes
Add half cup of grated khoya, mix and cook well for 2-3 minutes.
Add one-fourth tablespoon of cardamom powder, mix slightly then switch off the gas. Your tasty mirchi halwa is ready.