It is because of config.pm file, that file is missing in lib folder but it is availble in lib/Net folder, Now I am getting new error
bal symbol "%Config" requires explicit package name at /usr/perl5/5.8.4/lib/ExtUtils/MM.pm line 55.
Compilation failed in requireat /usr/perl5/5.8.4/lib/ExtUtils/MakeMaker.pm line
37..
Compilation failed in require at Makefile.PL line 1.
BEGIN failed--compilation aborted at Makefile.PL line 1.