Khanna started working in theater as an actor with Natrang in
Jammu and Kashmir. He has traveled widely with his performances to countries including
Germany,
Japan, and
Brazil. Some of his performances were
Hooriya directed by Anamika Haksar (1997);
Sundari: An Actor Prepares and
Makeup (2002) by Anuradha Kapur (1998);
Odysseus in A Ramayan Odyssey by
Jatinder Verma of Tara Arts, London;
No Boat in Sight by
Makoto Sato and
Anuradha Kapur (2002);
The Antigone Project by Ein Lall and Anuradha Kapur (2003). He received acclaim for his performance in Glass House Project where he spent 15 days in a glass house. It was an initiative by National School of Drama for 10th Bharat Rang Mahotsava. He directed the Garbage Project which was showcased in 13th Bharat Rang Mahotsava (International Theatre Festival) organized by National School of Drama in 2011. Another project is Surviving Survival Vienna Wiener Festwochen 2011. Khanna has conducted several workshops on voice, speech and acting in
India and abroad. Among the cities he has worked in are Jammu,
Srinagar,
Mandi,
Chandigarh,
Guwahati,
Pune, and Delhi in India; and
Daegu and
Tokyo in
South Korea and Japan respectively. He is also a visiting faculty at the National School of Drama and Department of Indian Theatre, Panjab University. Khanna was also involved in theater therapy programs initiated by the Rajiv Gandhi Foundation in Jammu and Kashmir for three years. == Acting career ==