All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad is His slave and Messenger.
If the fund you mentioned is for saving money and not for lending money to any party, then it is permissible to participate in this fund.
Also, it is permissible to benefit from whatever the government offers as an additional amount to the saved amount according to the conditions of the grant.
Allaah Knows best.