As per sources, the Government of India has approved Zydus Cadila's Covid-19 vaccine ZyCoV-D for adults. The vaccine will first be administered in districts where the first dose coverage is low in seven states and then be rolled out at the national level. <br /> <br />The seven states include Maharashtra, Tamil Nadu, Uttar Pradesh and West Bengal, among others. <br /> <br />Watch the video for all the details.