The interest rate is prescribed by the appropriate government, the Central Government had earlier set 10% simple interest. You may check up with the respective authority and the calculation is simple.
From India, Mumbai
Community Support and Knowledge-base on business, career and organisational prospects and issues - Register and Log In to CiteHR and post your query, download formats and be part of a fostered community of professionals.
1534
Circular on PF Damage & Interest Calculations.pd f
Calculate Your Age.xls