Zend certified PHP/Magento developer

Serivce of Elasticsearch is failed

/etc/elasticsearch have deleted by me accidentally.Now, when I run the command(sudo systemctl start elasticsearch
) to enable service of elasticsearch than the following error show.

Job for elasticsearch.service failed because the control process exited with error code.

and by getting configuration of elasticsearch to run command(sudo nano /etc/elasticsearch/elasticsearch.yml
) the following error generate.

Directory ‘/etc/elasticsearch’ does not exist

kindly help me.
your help is really appreciate for me!