Yes, opening a Upstox 3-in-1 account is entirely digital. Just follow these steps:
1) Sign up with your email address & mobile number at https://upstox.com/3-in-1account/IndusStox/transfer.
2) Enter your PAN details, DOB, and basic details.
3) Select segments & choose a plan.
4) Upload required documents.
5) Proceed to e-Sign with an Aadhaar OTP
6) Upload one address proof document & IPV video with the uploaded address proof.
7) Add a nominee (optional) with details of the nominee.
8) Select your bank account number.
9) Complete your EKYC with Induslnd Bank
10) Create your UPI ID and Mobile Banking User Id, set up MPIN.
11) Agree with the T&C of IndusInd Bank and request for an OTP
After this, transfer funds to your Induslnd Bank Account to activate the account.