India, Oct. 29 -- Apparently, for successful cloud seeding, the most crucial requirement is the presence of suitable clouds-typically cumulus or cumulonimbus with enough moisture

Turns out, you need clouds for cloud seeding, only the BJP's Delhi Government learned that the hard way. Two much-hyped trials on Tuesday, aimed at making it rain over the smog-choked capital, failed to deliver a single drop. IIT Kanpur, which executed the operation, claimed some success - citing a drizzle of 0.1 mm in Noida and 0.2 mm in Greater Noida, data credited to a private weather app. Environment minister Manjinder Singh Sirsa, however, insisted it's too early to call it a bust. "Rain after seeding can occur within 24 hours," he said, pointing to "light ...