Don't know how many times this question is asked in different ways
The poa must have not only sold the property but also handed over possession to the buyers in the 3 sale deeds
So if you ask the relief of restoration of possession aside from a declaration that the sale deeds are not binding on you being perpetrated by fraud, then limitation period would be 12 years and not 3 years
The limitation period would run against you from the date when you acquired knowledge about the fraud