The Capital gain on sale of Property/ Flat/ land/home 🏠 tax has to be paid 

As long term capital gain on property sale 
Or 
Short Term Capital gain on immovable property 
Resident or non resident rates are not same.

20% or 12.5% for resident
12.5% only for non resident 

Indexation benefits is given in Property selling.

ITR 2 or ITR 3 can be filed for capital gain tax filing on property selling.