- In a bowl,combine together all the ingredients listed under 'for marination' along with the chicken pieces.Set aside for atleast 20 minutes. 
- Meanwhile ,in a mixing bowl combine together all the ingredients listed under 'for Mayo sauce'.Set aside until required. 
- Just before frying the chicken,add the all pupose flour ,cornflour and egg and mix well to coat the pieces evenly. 
- Heat oil in a pan and deep fry the chicken over medium flame,turning once or twice in between until it is cooked through and turns golden brown.Drain onto a kitchen towel. 
- Allow to cool sightly,add the fried chicken to the mayo sauce and mix to coat evenly.Serve immediat.