Question

what called president​

Answer 1

$The \: president \: is a common title for the head of state in most republics. \\ In politics In authoritarian regimes, a dictator or leader of a one-party state may also be called a president .$

Answer 2

President is a person who is the supreme head of any thing like a place , business , school , institution etc.

At country level in India, President is the head of state(country).