House property

1. If you are buying property from a resident, deduct TDS @ 1%

2. If the land sold is a long term asset, you can claim deduction u/s 54F. provided on the date of transfer you do not own more than one residential house property. 

3. I am assuming you are buying ready house. In that case. You can claim the principal on repayment of housing loan u/s 80C  upto 1.5 lakh and interest u/s 24b as deduction