Core the cabbage and cut it into fine, long shreds. Peel the carrots and cut into thin, long slices. Cut the green chillies into thin long strips
Heat the oil in a wide mouthed saucepan over a medium high flame. When hot, put in the fenugreek seeds. A second or two later, put in the mustard seeds
As soon as the mustard seeds begin to pop, put in the dry red chilli and curry leaves
Add the cabbage, carrots and the green chillies. Turn the heat down to low and stir the vegetables
Add the salt, sugar, cumin seeds, gram flour paste and a little turmeric and mix well
Cook for a few minutes only
Do not add any water. The vegetables must only be half cooked. Remove from heat
Add the lemon juice and leave to cool