Rinse and cut cauliflower into medium size florets.
Bring water to boil, add salt , pinch of turmeric powder and add cauliflower florets .
Keep it in simmer for 3 minutes, turn of the heat and let it rest for 8-10 minutes. Drain water and keep it aside.
Take 2 cups of curds and hung it in a cheese cloth, it takes around 45 minutes to 1 hr to get around ¾ -1 cup of thick hung curd.
Roast gram flour / besan till you get nice aroma.
In a mixing bowl take hung curd , add roasted gram flour , ginger garlic paste, salt, oil, lemon juice , all other spices and mix well.
Add cauliflower florets into marinade , mix well and keep it in refrigerate for minimum 1 hr .(you can also marinate for 5-6 hrs).
Preheat, oven to 200 deg celsius .
Grill /Bake for around 25-30 minutes , at halfway rotate cauliflowers florets and continue to grill , till corners of cauliflower start browning.
Sprinkle some chat masala on grilled cauliflower and Serve hot with Mint Chutney or Green Chutney , onion rings and lemon wedges.