No it doesn't says anything about duplicate entry.
it gives error while importing dle_pm titled
"'RE: !!Warning To Duplicate Posters!!'"

Thanks for u people for helping u.But Now i am really getting frustrated..Just tell me 1 last thing,if i ask my hosting server providers to backup my website again then can my website get restored again??
janu123 Reviewed by janu123 on . Installing dle on existing databse Is it possible to install dle on an existing database.I mean is that If i am runnning a website with dle 8.3.And mistakely inspite of upgrading the dle , i deleted the dle 8.3 installation files and installed fresh copy of dle 8.5 and i connected it to my existing database where records of all my news , members etc. were present . But this new dle 8.5 shows no articles , news , user of my existing server database . I want to get back all the news , articles etc. which are present in my Rating: 5