| 2. The 57th Annual Conference of the Indian Association of Cardiovascular and Thoracic Surgeons, IACTS (16th to 20th Feb 2011, Chennai):Transaortic Closure of Ventricular Septal Defect In Double Outlet Right Ventricle | | |
| 3. The 58th Annual Conference of the Indian Association of Cardiovascular and Thoracic Surgeons, IACTS (8th to 12th Feb 2012, Kolkata): Screening Coronary Angiography In Patients of 40-45 years of Age Group Undergoing Valvular Heart Surgery for Rheumatic Pathology. Can it be Avoided? | | |
| 4. The Annual conference of Pediatric Cardiac Society of India, 15 to 18 October; 2015, Hyderabad.One stage repair of coarctation of aorta with associated intracardiac defects- an alternative approach. (Award Paper). | | |
| 5. The 24th Annual Meeting of Asian Society for Cardiovascular and Thoracic Surgeons (ASCVTS)April 06-10, 2016 in conjunction with 9th AATS/ASCVTS Postgraduate course and 4th Asian Single Port VATS symposium.Taipei, Taiwan. | | |
| Off pump midline repair of coarctation of aorta when associated with intracardiac defects- An alternate approach for single stage correction. | | |
| Anomalous left coronary artery from the pulmonary artery with left ventricular dysfunction- Successful early outcomes without ECLS. | | |
| 6. Roy Chowdhuri K; Dutta N; Ghosh R; Girotra S; Radhakrishnan S; Shrivastava S; Iyer PU; Iyer KS. Total Anomalous Pulmonary Venous Connection: Improved Outcomes with an Alternate Management Strategy. | | |
| AATS Graham Foundation Award Paper Presentation. Asian Society for Cardiovascular and Thoracic SurgeonsMarch 25th, 2017, Seoul, South Korea. | | |
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| 7. Roy Chowdhuri K,Dutta N ,Girotra S , Azad S , Radhakrishnan S , Srivastava S , Iyer PU, Iyer KS. Challenges in surgical correction of adult Tetralogy of Fallot: Outcomes with targeted care. | | |
| · 7th World Congress of Pediatric Cardiology and Cardiac SurgeryJuly 18th, 2017, Barcelona, Spain.(As co-author). | | |
| · 18th Annual conference of Pediatric Cardiac Society of India (PCSI) 27TH to 29th October, 2017, Mumbai, India. (As presenter). | | |
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| 8. Roy Chowdhuri K, Dutta N, Girotra S, Azad S , Radhakrishnan S , Srivastava S, Iyer PU, Iyer KS. Total Anomalous Pulmonary Venous Connection: Improved Outcomes with an Alternate Management Strategy. | | |
| · 7th World Congress of Pediatric Cardiology and Cardiac Surgery. July 17th, 2017, Barcelona, Spain. (As co-author). | | |
| 9. Das A, Das D, Dutta N, Das S, Chattopadhya A, Koley R, Sharma M. A retrospective analysis of aortic valve repair with surgical closure of ventricular septal defect | | |
| 66th Annual Conference of IACTS, February, 2020, Ahmedabad | | |
