HOW_AMOUNT_OF_STORAGE_OF_FUEL_IS_DONE??$

• A. A week‚Äö√Ñ√∂‚àö√ë‚àö¬•s requirement
• B. For 4 day requirement
• C. For a Month‚Äö√Ñ√∂‚àö√ë‚àö¬•s requirement
• D. For annual requirement