Devnagari script (used by Sanskrit, Marathi, Hindi languages) is very scientific and logical.
In my Marathi language curriculum in school, we never studied those scientific aspects. Unfortunately, even most teachers are not aware of these.
However, I had read about Varna Mala (वर्णमाला) in some grammar books and was fascinated by the richness of it!
Here is an excellent video on the science and the logic behind Devnagari varnamala
ekoshapu 
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