Information and Broadcasting Minister Prakash Javadekar today took a dig at Congress following its questioning to the nod to COVID-19 Vaccine. In a tweet, Mr Javadekar wondered what problem Congress has with the vaccine. He said, they should instead have a problem with their leader.<br />''<br />''<span style="color: #222222;">Earlier, some Congress leaders had questioned the drug regulator's approval for Bharat Biotech's Covaxin saying the vaccine is yet to complete the final stage of human clinical trials.</span><br />