Generally, the NFO window is open for a maximum of T+21 days.
When you place the NFO order on ‘T’ day it will be in ‘Open’ status which means order is placed successfully on the Exchange.
Further the order status will move to either ‘In-process’ or ‘Placed’ status. These indicate that the order is moved from Exchange to RTA (Registrar and Transfer agents)
The day you place NFO which is Live in the market you need to wait for T+21 days in order to get order status as ‘Success or Failure’.
Note: NFO statuses will not be shown under the order history on Web or Mobile App until allotment.