In a small bowl mix red chilly powder, chaat masala, pepper, coriander powder, cumin powder, salt, dry mango powder and keep aside.
1 tsp red chilly powder, 1 tsp chaat masala, ½ tsp black pepper powder, 2 tsp dry mango powder, ½ tsp coriander powder, ½ tsp salt / to taste, ½ tsp cumin powder