Property sold in F .Yr 19-20 but not taken ITR

mohammad tarique sohail (accountant) (195 Points)

02 September 2021  
Room in chawl bought in 2016 ( Rs.14lacs) and sold out (Rs. 19lacs ) in jan 2020.
Mistakenly not considered in Asst.yr. 20-21. profit on sale of property is 5lacs. can I take in Asst yr. 21-22. cost of index will apply of f.yr 19-20 or 20-21.
pls help .