Centre on Thursday launched India's first nasal Covid-19 vaccine iNCOVACC. Bharat Biotech's Incovacc received government approval for use as a booster dose in the country-wide mass inouclation program. iNCOVACC is a recombinant replication-deficient adenovirus vectored vaccine with a pre-fusion-stabilized SARS-CoV-2 spike protein.

from Times of India https://timesofindia.indiatimes.com/india/india-gets-first-nasal-covid-vaccine-how-it-can-be-the-game-changer/articleshow/97346628.cms