uniq commmand

Hi

I'm having a file (extract.txt) which contains lots of repeated values i want to extract it only with unique values,while am using the the uniq command
It result's with 1510 lines this too have the duplicates,pls help me on this.

I attached my extract.txt file as attachment here.

Regards
Thelak

do sort and uniq

 
sort extract.txt | uniq
or
sort -u extract.txt

thanks it's working