What are three hypothesis about the indus script?

The three hypothesis about the Indus script:

Indus script include the symbols which were used by the people during the Indus valley civilization. There were three hypothesis related to this script which were

Dravidian hypothesis which is the most suitable one for this script.Sanskrit hypothesis which was given by an Indian archaeologist named Shikaripua who was responsible for interpreting this language.Miscellaneous hypothesis which included a number of hypothesis related to Indus script where most important was Indo-Aryan language.