What is PF or PF Account?

What is PF? I have just started working and the HR told me my PF will be deducted.

PF is a Provident Fund

It is a government backed retirement savings plan for salaried employees. In this scheme, both employer and employee contribute a fixed percentage every month. The aim of this savings scheme is to provide a financial safety net, providing financial security after retirement or in certain situations like emergencies, higher education or housing. This is what is provident fund.