Bharwa Bhindi {with besan } Recipe

Ingredients :-
Lady finger :- 500 gm
Small onions :- 20 nos.
Green chilly :- 5-6 nos.
Gram flour [besan] :- 2 tbs.
Oil :- 4 tbs.
Red chilly powder :- 1 tsp.
Coriander powder :- 2 tsp.
Turmeric :- 1 tsp.
Fenel seed powder :- 1-1/2 tsp.
Dry mango powder :- 1 tsp.
Cumin powder :- 1-1/2 tsp.
Salt :- to taste 
Carrom seed :- 1/2 tsp.
Onion seed [ kalonji ] :- 1/2 tsp.
Hing :- 2 pinch