Chapter VI-A deductions (80C, 80D, 80G, 80GG, 80E, 80EEB)

Hi,

Can I claim exemption of HRA below 1 lac on income tax website if I am not living in rented property ?
I have not paid for mediclaim for my parents but can I claim it on income tax website for Rs.22000 ?
Can I claim Rs.25000 exemption in LTA if I have not travelled during FY 2021-22 to reduce the tax to be paid ?