Two persons have died after they were administered Covid-19 vaccines on the first day of the vaccination drive across India but at least one of the deaths is not connected to the vaccination according to the post mortem report, India's Health Ministry said tonight.

"Of the two reported deaths, the death of a 52-year male from Moradabad, Uttar Pradesh, who was vaccinated on January 16 and died on evening of January 17, is not related to vaccination as per the post mortem report," the ministry said in a statement adding the death was caused due to cardiopulmonary disease.

The second death was of a 43-year-old male in the southern state of Karnataka. He was vaccinated on January 16 and died today, reports our New Delhi correspondent.

"The cause of death is anterior wall infarction with cardiopulmonary failure. The post-mortem is scheduled today at Vijayanagar Institute of Medical Sciences, Bellary, Karnataka," the statement said.

The third day of the massive countrywide Covid-19 vaccination programme was also conducted successfully today with the jabs being administered to 1,48,266 people across 25 states and federally-ruled territories when last reports came in, according to the statement. A final picture of the number for the day will be completed by late tonight.

So far, a total of 3,81,305 people were vaccinated till today as per the provisional report, the Health Ministry said.

A total of 580 cases of adverse events of the vaccination have been reported so far, the ministry said adding out of these, seven required hospitalisation.

Of the three cases of adverse events reported from Delhi, two persons have been discharged while one person with reported fainting is under observation at a hospital.

Four more persons reporting adverse events are under observation in hospitals in Uttarakhand, Chhattisgarh and Karnataka states, according to the ministry.