| Hartaaj hails from a family of farmers and initially embarked on a modeling career. |
| He gained fame by winning the title of Mr. Handsome during his school farewell. |
| In college, he was recognized as Mr. Fresher in 2015 and secured the Mr. Popular title in a larger modeling contest the following year. |
| He has displayed his talents in various competitions, finishing as a top finalist in the Mr. Punjab pageant. |
| During his free time, he is passionate about reading and enjoys traveling. |
| He is known for his healthy lifestyle, regularly working out at the gym. |
| He auditioned for MTV Roadies Real Heroes Season 17 but did not advance past the personal interview round. |
| In 2021, he made an appearance in the web series 'Bhadhe Ke Baap'. |
| Hartaaj has participated in several Hindi TV serials such as 'Pandya Store' and 'Happu Ki Ultan Paltan'. |
| In 2024, he featured in the Punjabi music video 'Husn Tera'. |
| He has a love for animals, often sharing moments with dogs on social media. |
| In 2025, he was selected in MTV Roadies Season 20 on Elvish Yadav's team through a competitive bidding process. |
| Hartaaj holds a deep respect for the Indian Army and actively visits religious sites. |
