The #BrahmiScript is the earliest writing system developed in India after the #IndusScript. All modern #IndianScripts & most of the scripts found in Southeast/EastAsia are derived from Brahmi.
*Comparison of various abugidas descended from #BrahmiScript :-
#AncientIndianScripts
#SiddhamScript
#KharosthiScript
#NepaliScript
#DevanagariScript
#GuptaScript
#KucheoScript
#TeluguScript
#KannadaScript
#TamilScript
Map reference: University of Pennsylvania.