Chicken Jalfrezi

Chicken JalfreziIngredients :(For Marination)Chicken : 1/2 kg BonelessVinegar : 2 tbspChili Sauce : 1 tbspSalt : to tasteGinger garlic paste : 1 tspChinese salt : 1/2 tspRed chili powder : to taste Mustard powder : 1/4 tsp(for the Curry)Onion : 1/2 finely dicedGinger : 1 inch pieceGarlic : 3-4 clovesTomato puree : 1 cupTomato ketchup : 4 tbspSalt : to tasteChinese Salt : to tasteRed chili powder