Nilnandan,
You used a different link than was provided in the original description.
Valerii used
ln -s /usr/share/percona-server /usr/share/mysql
and you used
ln -s /usr/share/percona-server/charsets /usr/share/mysql
Nilnandan,
You used a different link than was provided in the original description.
Valerii used
ln -s /usr/share/ percona- server /usr/share/mysql
and you used
ln -s /usr/share/ percona- server/ charsets /usr/share/mysql