Non clean jar can result in spoiled Pickle.
Normally in India, we would keep the jar in direct sunlight for 2 days. This helps the chili to soften faster even in Indian winter season.
Hari Mirch Rai Achar - Green Chili Pickle With Red Mustard Seeds https://www.inhouserecipes.com/hari-mirch-rai-achar/ January 27, 2015