Holding Mutual Funds in Demat Vs SOA Format

Mutual Funds can be held either in de-materialized account or as statement of account (SOA). Both forms are digitized. There are no paper certificates. Then, how do we know which form is better for us. Demat units are held in your demat account with your depository participant (DP). SOA Units are held by your fund house and the statement of accounts is issued to you (which is the