Salaried individuals typically House Rent Allowance to claim rent-related expenses. Check your offer letter or payslip for this, if you're unsure.
If you are salaried and you don't get HRA as part of salary, then you claim deduction under Section 80GG for rent. For more information, read this article on on Section 80GG.
If you are salaried and receive HRA, you cannot claim this deduction. Submit the rent receipts to your employer and this will be included in your Form 16.