Three COVID-19 vaccines in testing stage in India: Modi

India's Prime Minister Narendra Modi waves as he leaves by car after his speech to the nation during a ceremony to celebrate India's 74th Independence Day. (Photo: AFP/RSS)

NEW DELHI: Indian Prime Minister Narendra Modi said on Saturday that three vaccines against coronavirus are in the testing stage in the country and it is geared up for mass production once there is a green signal from scientists.