Does Fyers account opening process requires a Demat POA?

No, Fyers offers 100% paperless and online account opening and doesn’t require to submit Demat POA. Fyersbeing a CDSL depository participant has recently (Nov 2020) introduced E-DIS (Electronic Delivery Instruction Slip) mechanism to digitally authorize the DP to debit shares from the demat account directly. With the introduction of E-DIS, anyone can open Fyers demat account without a POA.