Question

what is an election commission who appoints chief election commissioner how can he or she be removed

Answer 1

The Election Commission of India is an autonomous constitutional authority responsible for administering election processes in India. The body administers elections to the Lok Sabha and state Legislative Assemblies in India, and the offices of the President and Vice President in the country. 

presedent appoints

A Chief Election Commissioner can beremoved from the office only through impeachment by Parliament

hope you get it