Kindly refer to the following link(s):
Provident Funds, Social Security, 401k Plans & Insurance -|Sheikh Assim Al Hakeem
Provident Funds, Retirement Funds, Pensions, 401k Plans
Ruling on Provident Funds and Zakat on it
Ruling on life insurance in Islam & Is there zakat on life insurance policy?
I want to ask if the provident fund that is offered by private institutions Halal or Haram? (website)