Pour 5 tablespoons of vegetable oil in the pan. Once hot, add the okra. Stir till there is no more sliminess. Set it aside.
In a cooking pot, add 4 tablespoons of vegetable oil. Once hot, add the ginger-garlic paste. Stir for 30 seconds.
Add the chopped red onion. Stir till it turns translucent.
Add the chicken thigh and tomatoes. Give it a quick stir. Leave it for 5 minutes.
Once the tomato is soft, add the tomato paste, and the spices (garam masala, cumin, turmeric and red chili powder). Stir to mix.
Pour water and add the black lemon. Once it started to boil, lower the heat to continue simmering the chicken for 25 minutes. Add salt and black pepper.
Add the coriander leaves and the cooked okra on the cooking pot. Gently stir to mix. Let it simmer for 3 to 5 more minutes before turning off the heat.
Serve it with rice or roti, and salad.
Notes
Don't add red chili powder if you don't like your bhindi spicy.
For vegan friendly, you can use tofu instead of chicken.
You can also add other vegetables like potatoes or carrots.