1) did you enter into registered sale agreement with landowner?
2)seller would have to make application for subdivision of land before disposal of 40 plots.
3)it appears you are not the owner of land as per records and hence no notice for acquisition was issued to you .
4)seller was issued notice and petition filed in court challenging acquisition has been dismissed by court . final award has been issued but no compensation paid .
5)in the event land is now acquired by the authorities compensation would be payable as per new land acquisition act .
6)you have not mentioned whether land bought by you is agricultural or non agricultural land
7) if it is agricultural land are you an agriculturist? please clarify