Hello

I booked a ticket on AI BLR-MAA-DXB/DXB-BOM-BLR
​​​​​​Booking was made on HDFC smartbuy/GoIbibo Economy (E)

I am trying to add my FF (SQ *G) but I can't find an option to do so on AI website (I am able to input passenger info, select seats and book AVML)

Any help or trick to do so will be appreciated. Worst case I will call AI

TIA