| Ajay Singh was a co-founder of SpiceJet in 2005 and later returned in 2015 as its Chief Shareholder, Chairman, and Managing Director. |
| He was actively engaged in sports, serving as captain of the school's Cricket and Hockey teams during his school and college days. |
| In 1996, Ajay Singh was appointed as a board member of the Delhi Transport Corporation, where he significantly expanded the fleet size. |
| He served as the Officer on Special Duty (OSD) to Pramod Mahajan and played a key role in modernizing Doordarshan and introducing new channels. |
| Ajay Singh reacquired SpiceJet in 2017 for a nominal amount, coinciding with a substantial order of aircraft for the company. |
| He has made investments across various industries, including nanotechnology, IT, real estate, and public-private partnerships. |
| Ajay Singh has been appointed Chairman of multiple aviation and tourism committees and boards. |
| With expertise in political campaigns, he has been associated with the BJP and played crucial roles in publicity campaigns. |
| Ajay Singh has been involved in various controversies, including a recent false complaint regarding alleged deception in share allotment. |
