Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: UPDATE 1-Warburg Pincus to buy 2.75 of Kotak Mahindra Bank The board of India #39;s Kotak Mahindra Bank Ltd. (KTKM.BO: Quote, Profile, Research) has approved an issue of shares representing a 2.75 percent stake to Warburg Pincus International LLC.

Business