When ever i bought RAC ticket all time it got conformed except once, if it gets conformed & Side Lower Berth is available (if cancelled by any former ticket holder or in railways quota) 'll' be given to the person whom had aaplied for Side Lower Berth, it is as per my logic...
Once i took RAC 002 in HWH MUMBAI MAIL for me and my dad both given choice for an Lower Berth, and we got alloted 2 Lower Berths that was, 65LB and 68LB in S-3 coach...