Heat oil in a pan and add all the seeds(kalonji, mustard, fennel, cumin and fenugreek), whole red chili and asafoetida and allow it to splutter.
Add cauliflower, turmeric, red chilly powder and green chilly and mix well.
Add lemon juice, water and salt.
Cook until cauliflower is done to your liking and all the water has evaporated.
Garnish with coriander leaves and julienned ginger.
***Note: Kalonji** - It can also be found under these names black caraway, roman coriander, or black onion seeds.