I do not have any document proof of my address. Can I still update my address in my Aadhaar?

Yes, in the absence of any documentary Proof of Address (PoA) you can still update your current address in your Aadhaar with the help of an Address Verifier and by sending an online request for an Address Validation Letter. You can update the address where you are presently residing with the consent and authentication of the address verifier (a family member, relative, friends, landlord, etc.) who is willing to let you use their address as proof.