Chop onions roughly.
Heat oil in a pan, add cumin seeds and saute till they begin to change colour. Add onions and saute till lightly coloured.
Add green chillies and saute. Add chicken mince and ½ cup yogurt and mix, mashing lightly.
Add cumin powder, coriander powder, salt and boiled corn and mix well.
Add ½ cup yogurt and ginger-garlic paste and mix. Add garam masala powder and powdered dried fenugreek leaves and mix well.
Cover and cook on low heat for 10-15 minutes, stirring in between a couple of times.