Little oil should float above the pickle mixture so that pickle can last longer.
Use only gingelly oil for pickles.
Wash and wipe lemons dry before chopping.
Extra crystal salt is always needed for the pickles to last longer.
Add only roasted fenugreek powder to the pickles.
Store only in glass or porcelain containers.
If using little oil then you should store in refrigerator.
Use sterilized bottles for storing