There will have to be rigid and iron discipline before we achieve anything great and enduring, and that discipline will not come by mere academic argument and appeal to reason and logic. Discipline is learnt in the school of adversity.

- Mahatma Gandhi

Energy

Energy - solar energy - पोर्टेबल (सहज हाताळू शकणारा) मोबईल चार्जर बनवणे.

 
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