Green Chili Pickle

Ingredients 20 green Serrano chili peppers 3 tablespoons coriander (dhania) 11, 2 tablespoon fennel seeds (saunf) 1 teaspoon fenugreek seeds (mathi) 1 teaspoon mustard seeds (rai) 1, 8 teaspoon asafetida (hing) 3 teaspoons salt 1 teaspoon mango powder (amchoor) 1, 2 teaspoon turmeric (haldi) 1 tablespoon vinegar 2 tablespoons oil br, br,