Yes, you can open Demat account without providing POA where you’ll have to Buy & Sell the shares through E-DIS. But in the absence of a POA, you would not be able to pledge shares that you have in your holdings for margin benefit. You can go through this blog Demat Account Without POA for more information on E-DIS and how it is different from the Demat with POA.
We have introduced the E-DIS facility for your hassle-free and smooth trading experience.