I have written some of the Frequently asked question on First REIT R on my website
Read FAQ on First REIT R Hopefully that will answer some of the doubt you faced regarding the Nil-Paid Right Trading Period which end on the 16 December 2010
If you wan to subscribe to it, please pay up by 22 Dec 2010 through ATM (Please do it if you bought the stock during CR period, otherwise they will be diluted)