Prepare all the vegetables.
Boil potatoes ,Cauliflower,Carrot ,and Green beans till they are fork tender (not much ,otherwise they will break)
Drain all the water and keep them aside.
Take a pan and add one tbsp of oil to it.Heat it .
Add onion ,garlic and ginger to it .Saute it on medium flame ,till they look translucent.
Add Potatoes to it and saute for 1-2 minute.
Add Carrot ,Green Beans and Cauliflower to it .Saute for 2 minutes and add salt to it .
Cover it with a lid and let it cook for another one minute.
Add 2 Tbsp of thai yellow Curry paste to it .Do not add more then that before tasting .If you don't eat much spicy food ,add just one tbsp.You can always add this paste in the last but after adding its difficult to go back.
Saute it on medium flame for 1 minute .
Add peppers and peas to it .Mix it .
Now is the time to add coconut milk . If you want more /less ,you can do that . There is no rule here.
Stir this coconut curry nicely and add tamarind paste to it . You can also increase or decrease the quantity according to your choice.
Add 1 cup of warm water to it .
Let it simmer over medium flame till curry thickens as per your liking.
Goes well with any type of plain rice and bread.
Garnish with cilantro ,lime and red chillies and enjoy.