Question

who appoints the commissioner of election commission

Answer 1

He is appointed by the president
Present election commissioner is Achal Kumar he was appointed by Pranab mukherjee

Answer 2

commissioner of election commission i.e. the Chief election commissioner is appointed by the president of India . the current CEC of India is Achal Kumar Jyoti . election commission is an independent body that takes decisions on every aspect of conduct and control of elections . once the chief election commissioner has been elected he/she is not answerable to anyone in the nation , not even to the president of our country

hope this helps