total deduction for AY 19-20

As per Section 10(13A), The amount of HRA exemption is deductible from the total income before arriving at a taxable income  Although it is a part of your salary,

Rent paid not exceeding rupees 1 lakh (No requirement of landlord PAN) can be a better option to save tax.

Also section 80TTA for deduction of Rs.10k can be taken into consideration if having bank interest of saving account.