Search engine optimization
 

Is there any process of getting back links without doing off page optimization ?

With out doing off page optimization, we cannot build backlinks but updating unique content can give you some backlinks.

Yes...writing content that automatically encourages the visitors to link to you :)

one way link building is good technique.

Yes Social Media Marketing , One Way Links

Social media is good but not too good to get the quality links.

Do SMO for your website i.e. share your website on high ranked social media marketing websites. Make your website's onpage strong.

writing content that automatically encourages the visitors to link to you