Clean the Sukat by removing heads/tails. Wash 2-3 times, soaking briefly.
Grind together onion, garlic, ginger, coriander leaves, coriander seeds, cumin seeds, green chillies, and dried coconut (grated) without adding water.
Heat oil in a pan, add cumin seeds, then chopped onions and saute until golden.
Add turmeric powder and hing powder, followed by the ground paste. Saute for 2 minutes.
Add chopped tomato and cook until soft.
Add salt and Kolhapuri masala. Mix well.
Add warm water to the pan and cook the masala until oil separates.
Add the cleaned Sukat and saute for 2-3 minutes.
Cover and cook on low heat for 2 minutes.
Add kokum pieces for flavour, cover, and cook for another 5-7 minutes.
Garnish with coriander leaves and serve hot.