The process of doing Aadhaar eKYC through Fincash.com is simple and is done during the account registration and activation process. As a part of the process, in the first step, you need to enter the Aadhaar Number and click on Submit. After that, you need to enter an OTP which is sent to your registered Mobile number. Then you click on the other related details and click Submit. By this process, the eKYC gets activated.
For complete details, read here: https://www.fincash.com/l/guide/aadhaar-ekyc-through-fincash