For making chutney take a pan add one tsp oil heat it add mustard seeds and urad sal add curry leaves,whole red chilli, chopped onion, tomatoes and saute for 2-3 minutes.now add red chilli powder,tamarind water and salt.mix well then add a pinch of sugar and fennel seeds cover it and cooked for 3-4 minutes.then turn off the flame.let it cool down