How to make bhindi do pyaza at home?

Ingredients
Bhindi (okra).........................................1 kg (wash and remove the top and bottom tip)
Onions..................................................2 medium (chopped)
Tomato.................................................3 large (chopped)
Ginger-garlic paste................................1 tsp
Green chilies..........................................3 (sliced)
Turmeric powder...................................1 tsp
Cumin seeds..........................................1 tsp
Coriander powder.................................1 tsp
Garam Masala.......................................1 tsp
Coriander leaves...................................2 tbs
Oil........................................................2 tbs
Salt to taste

Method
1. Heat oil in a cooking pan, add cumin seed, stir for 1-2 min, add onion and cook till onion turns brown.
2. Add ginger garlic paste, coriander powder, turmeric powder, green chilies, garam masala and cook for 3 mins. Add tomatoes and saute for 3-4 mins.  
3. Add bhindi (okra) and mix well, cook for 6-8 mins.
4. Serve hot, garnish with coriander and tomatoes.