Interest on accumulated PF amount is not accurate

Hi Srikanth, PF interest (8.65%) on accumulated amount is not showing correct. in the year of 2015 total accumulated amount is around 4.5 lakhs, so i have to receive around 33 K as interest by endo of the year 2016. but they credited very less amount whcih is around 16 k. how can I raise a concern or is there any problem in my calculation. I have transferred all my Previous organization PF amount to according to my company.