Ratul Puri is considered/stands as/plays a crucial role in/within/across India's power sector, demonstrating/exhibiting/showcasing a deep understanding/knowledge/grasp of the industry's/sector's/field's complexities. https://www.livemint.com/focus/hindustan-power-to-expand-clean-energy-footprint-with-150-mw-solar-project-says-chairman-ratul-puri-11764403413082.html