India, Nov. 3 -- The recent cloud seeding operation in Delhi was a purely experimental exercise, said M Ravichandran, secretary, Ministry of Earth Sciences (MoES), stressing that such trials are essential for advancing scientific understanding.

"Every experiment has both positive and negative outcomes, but they are all crucial for gathering data and improving our knowledge," Ravichandran said on the sidelines of the 11th World Meteorological Organisation (WMO) Scientific Conference on Weather Modification, inaugurated at the Indian Institute of Tropical Meteorology (IITM), Pune, on November 3.

The six-day event (November 3 to 8, 2025) marks the revival of the World Meteorological Organisation's (WMO's) legacy conference on weather modif...