No doubt he is a good spinner. but has given away too many runs. but to consider him as the best , is difficult to predict. Let us wait and watch how he adopt in different places and different grounds , then only we can consider him as a great spin bowlers like Shane Warne, Muthaiah Murlidharan, Anil Kumble mould. He has to go long way to achieve the success they had achieved. let us hope for the best for hims superlative performance and his eight haul of wickets.