Vaccination for those over 60 years of age and those of 45-plus with co-morbidities started from March 1 at both government and private centres.
On an average about 80.77 lakh vaccine doses were given to the 60-plus population per week between March 13 and April 2, but the weekly figure dropped to about 32 lakh between June 5 to 25, according to the data.
Healthcare experts expressed concern over the slow place of vaccination of the 60-plus people who are more prone to have co-morbidities and remain more susceptible to severe disease.
Dr Sujeet Ranjan, Executive Director of The Coalition for Food and Nutrition Security (CFNS), said myths, misconceptions and rumours about COVID-19 vaccines are the biggest hurdle to vaccination coverage.