interest rate per annum?
 
PRS is sort of Unit trust investment......they don't pay interest to you.
they are not guaranteed products like Bank Fixed Deposit.
Your investment in PRS carries investment risks...

Is the investment into PRS guaranteed by the government or does it have a minimum dividend policy?

PRS investments are not guaranteed and it does not have any statutory minimum dividend policy. You are advised to read and understand the Disclosure Document and Product Highlights Sheet to understand the risks involved before investing into a PRS.

http://www.ppa.my/prs/prs-faqs/

Thanks for the advises bro.

In fact, I have been in the stock and unit trust market for more than 15 years unfortunately never imagined that PM will be that disappointing. Yes, I have transferred out the PRS from PM to CIMB PRS, which earns more than 10% a year.