Why Fasting on Mahashivratri | महाशिवरात्रि पर व्रत क्यों रखा जाता है? | The Science & Spirituality Behind Mahashivratribr br Mahashivratri is not just a festival — it’s a scientific and spiritual phenomenon discovered by our ancient sages.br When cosmic energies align, the human body experiences a powerful bio-energetic transformation.br From NASA to Ayurveda, every perspective reveals how fasting on this night rejuvenates body, mind, and soul.