NEW DELHI : With India confirming at least 20 cases of the new UK strain of Covid-19, All India Institute of Medical Sciences director Randeep Guleria on Wednesday said that it is a possibility that the new mutation could have been present in the country even in November as the mutant strain was reported in the United Kingdom in September and there might be people who would have been infected.When asked if the Covid-19 mutation which has 70 per cent more infectious was present in India before it was officially reported in the country in December, Guleria told ANI: "There is a possibility that this may happen because we must remember that this strain was first reported in the end of September and there were people who have an infection with.