Heat oil in a kadhai/pan. Add mustard seeds and cumin seeds; once seeds pops up then add hing.
Now add cardamom, black pepper, cinnamon, cloves and whole red chili. Saut it for few seconds on low to medium flame.
Add chopped mango, salt, red chili powder and turmeric powder. Saut it for 2-3 minutes on low flame.
Lastly add grated jaggery, stir it till all jaggery dissolve completely, cook it on medium flame again for 2-3 minute.
Switch of the flame, let it cool down completely then store it into the jar.
Keri Ni Katki is ready. You can serve it with Paratha, Thepla or Roti.