Dr Tomar had completed specialist training from London. During this training have gained experience from some of the premiere institutes of the world like
1. Great Ormond Street Hospital for sick children, London (U.K.)
2. Kings College hospital, London (U.K.)
3. Royal London hospital, London (U.K.)
Also worked in the following hospitals
1. Homerton University hospital, London (U.K.)
2. King George hospital, London (U.K.)
3. Whipps Cross University hospital, London (U.K.)
4. Conquest hospital, (U.K.)
5. Irwin hospital, Delhi