So it means that there is no way to do the census with the help of an Aadhaar card except by going to everyone's house. However, Aadhaar cards have been created for about 131 crore people in India. However, this will be possible only complete card is made.
Believe in the existence of God the superpower.
Knowledge is power.
Even today the best way is to go from home to home and list the people in the house. In this process, as we are talking to a person in the family we will know about births and deaths that are taking place also. So the accuracy of the census will be good and also reliable.
There may be many ways digitally but somebody should have the inclination to follow the instruction and upload the details as required.