Murgir Dom(Dum Chicken curry)

Ingredients

• 1 whole country chickens curry cut(or any chicken)
• Salt to taste
• 1/2 lemon
• 1 large red onion
• 1/2 inches ginger, peeled
• 5 to 6 cloves of garlic
• 2-4 green chilies
• 1/4th cup mustard oil
• 2 bay leaves
• 1 tsp sugar
• 1/2 tsp bengali garam mashala(roughly ground cinnamon 1 inch,cloves 3 to 4,green cardamom(2 to 3))
• 1 tsp chili powder
• 1 tsp turmeric powder
• 1 tsp cumin powder
• 1 tsp coriander powder
• Potatoes (3 to 4)
• 2 cups hot water