Welcome to the monastery.

I changed your code a little and I hope that might help you. I also suggest to read perllol and perlreftut.

#!/usr/bin/perl
use Data::Dumper;
$hohref = {};
$hohref->{"h1"}={};
$hohref->{"names"}={"name1"=>"Chandra"};
$epout = rand(9);
$tcid = substr($epout,4,9);
$hohref->{$tcid}={"TCDesc" => "Login Test", "TCRun"=>"Yes","TCResult"=
+>"Pass"};

#Dereferencing Hash of Hashes using foreach loops

foreach my $k1 (keys %$hohref) {
  print "The key outer hash $k1 The value outer hash $hohref->{$k1}\n"
+;
  if (ref($hohref->{$k1}) eq "HASH") {
    foreach my $k2 (keys %{$hohref->{$k1}}) {
      print "The key is $k2 ===> The value is $hohref->{$k1}->{$k2}\n"
+;
    }
  }
}

#Dereferencing using Dumper function is working
print Dumper($hohref),"\n";
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