What is the fine-grained topic of the following text: Prime Minister Narendra Modi on Monday night removed Smriti Irani as the Information and Broadcasting Minister and gave the portfolio to Rajyavardhan Singh Rathore in a minor but significant reshuffle of his cabinet, in which Railway Minister Piyush Goyal was given the additional charge of the finance ministry. Only return the topic.
Cabinet reshuffle in India under Prime Minister Narendra Modi