Hra claim during itr file

I am paying Rs. 13,000 rent per month to my landlord & as per income tax rule , if paying more than 1 lakh per year required Landlord PAN card. My landlord denied giving the PAN card & I had to shown only Rs 8,333 per month to my employer to get the HRA deduction. My employer providing the 18,000 Rs. HRA as per my Salary but HRA deduction only provided as per 8,333 Rs as I did not have Landlord PAN number.. Can I calculate the remaining amount of HRA & claim it during filing the ITR ? I have the proofs ( Net banking transaction details ) that I am paying the 13,000 Rs per month to my landlord.