What is the fine-grained topic of the following text: In a rare instance, Dhoni, who was not even meant to be on the field of play, lost his cool and rushed out of the dug-out to challenge umpire Ulhas Gandhe after he flip-flopped on a no ball during the IPL match against Rajasthan Royals on Thursday night. Only return the topic.
Dhoni's confrontation with umpire Ulhas Gandhe during an IPL match against Rajasthan Royals