Lauki Channa

For pressure cooking:

• Chana dal - ¼ cup
• Lauki (ghia or bottle gourd) - 1½ cups, cut into ½ inch cubes
• Salt - to taste
• Turmeric powder - ⅛ teaspoon
• Water - ½ cup

For tomato masala:

• Oil - 1 tablespoon
• Cumin seeds - ½ teaspoon
• Green chilies - 2, chopped finely
• Tomato - 1 medium (3/4 cup, chopped finely)
• Salt - to taste
• Turmeric powder - ⅛ teaspoon
• Red chili powder - 1 teaspoon
• Cumin powder - ½ teaspoon
• Coriander powder - ½ teaspoon
• Garam masala - ¼ teaspoon
• Lemon juice - 1½ teaspoon or to taste
• Cilantro leaves - few, chopped finely for garnishing