Reliance Industries Limited is engaged in the activities of hydrocarbon exploration and production, petroleum refining and marketing, petrochemicals, advanced materials and composites, renewables (solar and hydrogen), retail and digital services. The Company's segments include Oil to Chemicals (O2C), Oil and Gas, Retail and Digital Services. O2C segment includes refining, petrochemicals, fuel retailing, aviation fuel and bulk wholesale marketing. It includes a portfolio spanning transportation fuels, polymers, polyesters and elastomers. Oil and Gas segment is engaged in exploration and development, production of crude oil and natural gas. Retail segment includes consumer retail and a range of related services. Digital Services segment is engaged in the provision of a range of digital services. It also provides an oncology-focused healthcare platform, which focuses on technology-driven cancer care. Its subsidiaries include 7-India Convenience Retail Limited and Aaidea Solutions Limited.