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.energetica-india.net/news/hindustan-power-signs-psa-with-apdcl-for-130-mw-supply-from-annupur-plant