Please suggest. Gold coins or bars?

I am planning to buy gold coins/bars from the US... I have a couple of doubts... Please help me choose the best

1. Which is best-coins or bars(credit Suisse) and why?

2. Which coin is good? 24ct or 22ct. Why?

3. Will I get the same gold price as in India if I give American Gold Eagle or Canadian Maple?

4. Is American Gold Eagle 916?

5. Is JMBullion.com reliable? Any bought from there?

please help

Please suggest. Gold coins or bars?