NEW DELHI. ONGC Chairman Arun Kumar Singh led by example, administering the Swachhata Pledge to Directors, senior executives, and employees, reaffirming our commitment to a cleaner, greener, and healthier India. From Deendayal Urja Bhawan, Vasant Kunj , New Delhi, to Scope Minar and Noida Colony, ONGCians came together to sign the Swachhata Wall, snap proud selfies, and energize the movement under the #SwachhataPakhwada initiative.