Bangalore Refinery24k (999.9) 5 gm Yellow Gold Bar/Gold Coin

Is it BIS certified?

I have read the reviews, in that one customer told that there's no certificate marking on product ? then how should i confirm the certification

HOw safe is to buy gold online...is Amezon takes accountabilty if some thing goes wrog?

Do you recommend to buy this? have you tried selling it outside and how much does the price differ from stores?