Where do I see my weekly rank?

Right there in the sidebar of the forum. It updates every 15 minutes.

Only top 10 persons name and their points will appear, if our points do not add up to the 10th place atleast, then it will not appear.

All the members whose name is there on members of week board get paid. The top most member gets Rs50,, next 4 get Rs.25 each and rest others get Rs10 for a week. This board comes to your right side if you are working on a laptop. If you are working on the mobile phone, you have to scroll down to see it. Hope this answer helps.