Vaswani received three post graduate degrees in English, Political Science and Hindi; each as a correspondence student of Aligarh Muslim University.

[1][2] Influenced by French philosopher-thinkers like Albert Camus and Jean-Paul Sartre, he was an atheist who debated religious faith, the political establishment and conformist attitudes.

His literary writings are filled with metaphors around the complex narrative and ironies of human existence and the pain of partition, which, like most other Sindhi writers of his generation.

These later influences turned him into a melancholic loner, who stopped writing in 1995, after publicly declaring this intent through his column in Sindhi magazine Rachana.

Dhara (2015, posthumous) is a compilation of literary columns written by Harish Vaswani which were published over the years in Sindhi magazine Rachana.

[13] Harish Vaswani wrote weekly columns for Gujarati daily Kutch Mitra for years and covered a range of different subjects.

His column titled Sanskar Sindhu was about cultural, literary and society issues relating to Sindhis in post partition India.

Samvaay was a column of general interest where he wrote about current affairs, political concerns on the global-local stage and popular subjects.

He explored intimate relationships, struggles of a society at war with itself, personality issues, Buddhist philosophical thought and psychology, new findings and writings on science of brain.