What is the fine-grained topic of the following text: rilaince open cast mince h; OPENPIT MINING African Rainbow Minerals (ARM) ... Reliance Industries Limited is committed to innovationled, exponential growth in the areas of hydrocarbon exploration and production, petroleum refining and marketing, petrochemicals, retail and telecommunications. Only return the topic.
Reliance Industries' commitment to growth in hydrocarbon exploration, production, and other related areas.