Leased out house property

House property cannot be leased

Help me out pls
how to take for tax on letout leased house property. House is given for lease for 12 lakh (refundable) for 3 years
Will this letout house property has to be taken for income under house property. how n how much to take as income under income from HP.any notional basis.this letout leased house property taken on loan.
D same owner of the above lease house property is in rented house can he claim for HRA

Thanks in advance