Hey @sayanriju But The government have made convenient to update your Mobile number & Email address to your Aadhar card.
All you need is to visit UIDAI website https://uidai.gov.in and Click on Aadhar Update Data Link
https://resident.uidai.gov.in/verify-email-mobile
And You are Done.
See, Government can’t spoon feed everything.
Citizen should also support government activity and appreciate the Infrastructure which is established by the citizen Taxes for the citizen’s.
If You will not use the services your tax paying is waste for you.