Mumbai, Aditya Birla Group chairman Kumar Mangalam Birla on Thursday said the ₹18,000-crore fundraise by Vodafone Idea is a "fresh lease of life" for the company and asserted that the telco will stage a smart comeback. Fundraise of ₹ 18,000 cr fresh lease of life for Vi; firm to make smart comeback: Kumar Mangalam Birla The company, which has been …