Green chilli pickle

MAIN INGREDIENTS:

green chillies
mustard seeds
mustard oil
INGREDIENTS

Fresh green chillies - 22-25, any mildly spiced variety
Mustard seeds - 2 tbsps (ria/aavalu)
Coriander seeds - 1 tbsp (dhania/dhaniyalu) - optional
Fenugreek seeds - 1/2 tbsp (methi/menthulu)
Fennel seeds - 1 1/2 tbsps (saunf/sompu)
Turmeric powder - 1/2 tsp (haldi/pasupu)
Salt - 2 tbsps
Asafoetida - 1/4 tsp (hing/inguva)
Mustard oil - 1/3 cup (sarson ka tel/aava nunne)
Lemon juice - 1, large (nimbu/nimmakaya)