• Breast oncology (Breast conservation surgery, Oncoplasty, Mastectomy)
• Sentinel lymph node biopsy 
• S-LYMPHA procedures
• Gynaecologic oncology surgeries
• Peritoneal surface malignancies
• Cytoreductive surgery (CRS)
• HIPEC (Hyperthermic Intraperitoneal Chemotherapy)
• PIPAC (Pressurised Intraperitoneal Aerosol Chemotherapy)
• LAP (Minimally Invasive) Breast Surgery

• Garach, N.R., & Kammar, P. (2020). Rare tumour of sternum: Resection & reconstruction. The Indian Journal of Medical Research, 152, S125 - S125.
• Garach, N., Bhatt, A., Patel, S. et al. The INDEPSO-ISPSM Consensus on Peritoneal Malignancies: General Principles of Cytoreductive Surgery and Technical Considerations. Indian J Surg Oncol (2025).
• Chatterjee, A., Rajagopal, A.K., Sharma, V. et al. The INDEPSO-ISPSM Consensus on Peritoneal Malignancies—Diagnosis and Management of Peritoneal Mesothelioma. Indian J Surg Oncol (2025
• Patel, S., Sukumar, V., P., S.S. et al. The INDEPSO-ISPSM Consensus on Peritoneal Malignancies—Methodology. Indian J Surg Oncol (2024). 
• Garach, N. R., Arora, K. C., Waghoo, S., & Kammar, P. S. (2023). Subcutaneous cellular angiofibroma of arm: A case report. Journal of cancer research and therapeutics, 10.4103/jcrt.jcrt_843_22. Advance online publication. 
• Mehta, S., Kammar, P., Sukumar, V., Pandey, J., Garach, N., Bhorkar, N., & Bhatt, A. (2023). Bilateral Thoracic Cytoreductive Surgery for Pseudomyxoma Peritonei of Appendiceal Origin. Indian journal of surgical oncology, 14(Suppl 1), 161–165.
• Anam JR, Garach NR, Chitkara G, Rao M, Kirti K, Chaudhary N et al. A Questionnaire survey of current practice in the management of phyllodes tumour. Breast Glob J 2023
• Kammar, P., Garach, N., Bhatt, A. et al. High-Risk Peritoneal Mesothelioma: Does Metronomic Chemotherapy Have a Role?. Indian J Surg Oncol (2023). 
• Kammar, Praveen & Garach, Niharika. (2023). Robotic versus laparoscopic surgery for middle and low rectal cancer. The Lancet Gastroenterology & Hepatology.
• Praveen S Kammar, Niharika R Garach, Sivasanker Masillamany, Ashwin De’ Souza, vikas ostwal, Avanish P Saklani. Downstaging in advanced rectal cancers: A prospensity matched comparison between short course radiation followed by chwmotherapy and long course chemoradiation. Dis Colon Rectum 2020. Kammar, P.S., Garach, N.R., Waghoo, S. et al. Delayed Management of Chemoport Complication. Indian J Surg Oncol (2020). 
• Robotic assisted Low Anterior Resection: Beyond TME – Left vascular approach with Pre‐sacral fascia excision – Video Vignette. Colorectal Disease. 
• Perineal wound complications following Extralevator Abdominoperineal Excision (ELAPE): Experience of a Regional Cancer Centre. Indian Journal of Surgical Oncology.
• Malignant chondroid syringoma of the pinna. Indian Journal of Nuclear Medicine 2015,Study of clinic-demographic profile of breast cancer patients with special reference to BCS/ Reconstruction in our set-up; Indian Journal Of Cancer: Vol 50: Supplement 1; 2013.
• Demographic profile of hand injuries in an industrial town of North India: The Indian Perspective.  Indian J Surg (2013)
• Unusual case presentation: Primary Squamous Cell carcinoma of the sternum. The Annals of Thoracic Surgery. 
• Comparative study of mucinous and non-mucinous appendiceal neoplasms with peritoneal dissemination treated by cyoreductive surgery and hyperthermic intraperitoneal chemotherapy (HIPEC). European Journal of Surgical Oncology.

CONFERENCES AND PRESENTATIONS

• Given talks and have been a panelist in various talks in Mumbai (Best of ASCO panel 2022),Delhi (MetroOncocon 2023),Kolkata(PSOGI chapter 2023), Dehradun (ASOMACON 2023),Best of SABC(Jan 2024),Apollo cancer Conclave Nov 24.
• Presented poster in PSOGI, Venice in October 2023 “Rectal resections without diversion stoma for cytoreductions in Ca ovary- An experience from a high volume team”
• Presented poster in Tata Memorial Hospital, Mumbai in Annual Update in Peritoneal Surface Oncology in February 2020 on “Utility of BiPAP in CRS + HIPEC”
• Presented poster in Tata Memorial Hospital, Mumbai in Annual Update in Peritoneal Surface Oncology in February 2020 on “High risk Peritoneal Mesothelioma: Does Metronomic chemotherapy have a role?”
• Presented poster in ESCP Vienna September 2019 “Long course radiation (LCRT) versus Short Course radiation (SCRT) with consolidation chemotherapy for Locally Advanced Rectal Cancer at a tertiary care centre: Comparison of short-term outcomes”.
• Awarded best poster in “3rd International Course Workshop and conference on Peritoneal Surface malignancies, Year in Review: Gynaecological Oncology and debated in Colorectal Cancer” held in Mumbai, India from 19-21 st April 2019 for “Long course radiation (LCRT) versus Short Course radiation (SCRT) with consolidation chemotherapy for Locally Advanced Rectal Cancer at a tertiary  care centre: Comparison of short term outcomes”.
• Paper presentation in APNETS Melbourne, 2018 “Pancreatic Neuro- endocrine tumors: exploring the role of surgical management”
• Paper presentation in APNETS Melbourne, 2018 “Biliary mixed Neuroendocrine- Non neuroendocrine Neoplasms: A series of four cases with review of literature.”
• Poster presentation at IASO NATCON 2016, Jodhpur on “Comparison on short term outcomes of ELAPE and APR”
• Poster presentation at ACOS 2016, New Delhi on “Rare case series synovial sarcoma of kidney”.
• Awarded Best paper in ISUCRS ACRSICON 2016, Mumbai for “A prospective pilot randomised study comparing ELAPE versus standard APR in low rectal cancer”.
• Part of core committee Indian Cancer Congress (ICC) Delhi, 2013.