Aggarwal has around 25 years of experience in the field of Technology Advisory and Technology Solutions and Services, focusing on Technology led Transformation, Process Interventions and PPP in Technology. His experience spans across urban, rural, health, education public safety, telecom, transport and energy verticals. He has led several nationwide and state-level Governance Transformation programmes, with focus on Optimum Service Delivery, Government Process Engineering, Citizen Centricity and ICT Intervention to bring efficiency, transparency and effectiveness in the functioning of the public sector. He has led advisory engagements in India, Middle East, Caribbean, and ASEAN. Previously, he led Industry Solutions and Market Development and Smart City business for Microsoft in India and held leadership positions with KPMG.