At a time a shortage of vaccines has slowed down or halted inoculations in many states, Union Minister Nitin Gadkari has said more companies should be given the license to manufacture anti-Covid shots. "If the demand is more than the supply it creates problems. Instead of one, let 10 more companies be given the license for vaccine manufacture...and royalty too," Mr Gadkari said at a virtual meeting with Vice Chancellors of universities.