Yes, by default husband and wife comes under HUF and you the karta of the family. Means the both flat will be your names as a Karta and already you're purchasing on both of yours name.
You have to create HUF account.
HUF is considered as a separate entity for the purpose of Income Tax Act and the HUF has a separate PAN Card and a separate income tax return is filed for the same.
A HUF automatically comes into existence when a person gets married and starts his family. It is not necessary that this new family should also have kids. The day when boy and groom get married, they have formed a HUF.
How to create HUF
To create a HUF, 3 things are required i.e.
Step 1: Create HUF Deed
Step 2: Apply for HUF PAN Card
Step 3: Open Bank Account of HUF