Appeal Against Rejection from UDI FOr Add studies

I Got Rejection From UDI For Additional Studies with my family at 15 May 2023 then i appealed at 31 May 2023...Needs Your Support for Further Process...And The Objection was only one that House Contract owner gives to another persons also for Rent Purpose same House...i got new Contract and submitted with Appeal...And also how much time they will take for Reply

I would like to ask a question. What are the advantages and disadvantages of appeal for family immigration visa refused fot not enough income. I dont know what to do.  (I am in morway)

@chjahanzeab


if someone can guide plz