The table below is a list of past academic / institutional appointments of Dr. Varma. He has also been in private practice at Coimbatore since 2006.
Past Appointments
| Year | Designation | Institution / Hospital |
| 1985 – 1886 | Resident Medical Officer. |  Seventh Day Adventist Hospital Ottapalam, Kerala, India. |
| 1986 – 1987 | Resident Medical Officer, (Dept. Of Public Health & Leprosy Control) |  Christian Medical College and Hospital, Vellore 632004, Tamilnadu, India. |
| 1987 – 1990 | Registrar in General Surgery | Christian Medical College and Hospital, Vellore 632004, Tamilnadu, India. |
| 1990 – 1993 | Senior Registrar in Cardio thoracic Surgery | Christian Medical College and Hospital, Vellore 632004, Tamilnadu, India. |
| 1993 – 1997 | Junior Lecturer / Lecturer / Senior Lecturer in Cardio thoracic Surgery. | Christian Medical College and Hospital, Vellore 632004, Tamilnadu, India. |
| 1997 – 1998 | Overseas Fellow in Cardio thoracic Surgery. |  Townsville General Hospital, Townsville, Queensland 4814, Australia. |
| 1998 – 1999 | Registrar in Paediatric Cardio thoracic Surgery. |  Royal Liverpool Children’s Hospital, Liverpool L12 2AP, England. |
| 2000 – 2002 | Overseas Fellow in Cardio thoracic Surgery. |  Southampton General Hospital, Southampton SO16 6YD, England. |
| 2002 – 2008 (April) | Consultant Cardio thoracic Surgeon. |  G.K.N.M. Hospital, Coimbatore 641037, Tamilnadu, India. |
| 2008 (May) – 2021 (April)
2021 (May) onwards |
Chief Cardio thoracic Surgeon.
Chief Cardio thoracic Surgeon |
 K.G. Hospital & Postgraduate Institute, Coimbatore 18, Tamilnadu, India.
|
