Chettinad Chicken Curry

Ingredients
1.Chicken           1 kg

2.Onion                    2 large
   Tomato                  3 medium
   Cinnamon              1'' piece
   Cardamom              3 nos.
   Cloves                     3 nos.
   Coriander leaves      1/4 cup
   Oil                        2-3 tbsp

3.Shallots/small onions   12 nos.
   Coconut (grated)        1 cup
   Ginger                        1 1/2'' piece
   Garlic cloves               8 nos.
   Pepper powder           1 tsp
   Fennel seeds                1 tbsp
   Kashmiri red chilli powder  2 tbsp
   Turmeric powder               1 tsp
   Salt                             as needed
   Water                        3/4 cup + a little more if needed 

Preparing Method
-Grind all the ingredients under 3 into a smooth paste with the given amount of water.
-Now marinate the chicken pieces with this ground paste and keep in refrigerator for half an hour.
-Cut the onion into thin slices and the tomatoes into small pieces.
-Heat a kadai /wok and add oil.
-Now add the whole spices and the onions and saute till the onion turns golden brown.
-Add in the chopped tomatoes and cook till soft.
-When the tomatoes are done add the marinated chicken(along with the complete paste).Mix well.
-Add a little water if needed also check the salt and add if needed.
-Cook till the chicken is done.
-Off the stove.Garnish with coriander leaves and serve.