Epf deduction on arrears salary & interest

hello

my query is i want to pay arrears salary for that there is EPF part also

and Profession Tax 

so when i pay arrears salary which belongs to 5 months back do i need to pay interest on EPF and PT amount till date of payment  when i deposit EPF and PT to department?

plz. note EPF and PT on arrears was not deducted earlier.

thanks in advance