The IT department has been issuing a flurry of tax notices to NRIs who sold property in India in the past and did not pay capital gains tax or failed to file an ITR to report the sale
In most cases, ITR filed before 15 June will get a mismatch notice from the IT department due to incomplete data regarding TDS, statement of financial transactions, TCS, etc.
The asset whose sale proceeds are to be invested should be held for the long term, the house must be bought one year after or before selling the main asset, and you must not own more than one house at the time of sale of the asset.