1Roast coriander seeds, button red chilies, black cardamom, green cardamom, mace, cloves, black peppercorns, cinnamon sticks, cumin seeds, caraway seeds, and poppy seeds in a pan until fragrant.
2Let the roasted spices cool.
3Grind the spices in a grinder to make a coarse powder.
4Add fried onions to the grinder and blend again.
5In a bowl, combine boneless beef, salt, and mustard oil, then mix.
6Add raw papaya paste, ginger garlic paste, whisked yogurt, lemon juice, red chili powder, and the ground onion-spice mixture to the bowl. Mix well.
7Marinate the mixture for 4-6 hours.
8Heat cooking oil in a pot and add the marinated beef. Cook on low flame until tender.