India, Oct. 28 -- The cloud-seeding trial aimed at inducing rainfall in pollution-hit Delhi has been completed, officials said on Monday, as the national capital continues to struggle with a thick blanket of toxic smog.

The aircraft used for the operation has returned to its base in Kanpur, Uttar Pradesh, sources told NDTV.

The city is now awaiting rainfall that could help bring temporary relief from deteriorating air quality.

The Delhi government had earlier signed a memorandum of understanding (MoU) with the Indian Institute of Technology (IIT) Kanpur to carry out five cloud-seeding trials in northwest Delhi between October 1 and November 30.

Delhi experiences high levels of pollution throughout the year, which typically worsen duri...