Vodafone Idea is a telecommunications company based in India, and KM Birla is a prominent businessperson and the chairman of the Aditya Birla Group, which is a major shareholder in Vodafone Idea. If KM Birla has returned to the company’s board, it could be seen as a positive development for the company, as he is a well-respected figure in the business community and may bring valuable insights and experience to the company’s operations. A rise of 10% in the company’s share price could reflect the positive sentiment of investors towards the news of KM Birla’s return to the board. However, it is important to note that the stock market can be unpredictable, and share prices can be influenced by a variety of factors, so it is always advisable to conduct thorough research and analysis before making investment decisions.