There are various ways to update your KYC online, which are provided below: Login to your bank's netbanking or mobile banking app, navigate to KYC update section, upload documents and submit. In video KYC , live call is conducted with an authorised executive of the financial institution. Review and update your KYC details easily with HDFC Bank. You need to be above 18 years, have an active account, Aadhaar number, identity verification and mobile number for OTP verification. Most banking institutions, mutual fund houses and credit card issuers allow you to update your KYC details online. Here’s a brief overview of the process that you would have to follow. That’s it. Your KYC update request should be reviewed, verified and approved within a few working days. FASTag KYC : Update your Small KYC to Full KYC with ICICI Bank online or offline and enjoy seamless toll transactions with higher wallet limits.