Indra Nooyi, former PepsiCo CEO, mastered management at IIM Calcutta and Yale.Kiran Mazumdar-Shaw, founder of Biocon, blended her biology expertise with brewing studies from Melbourne University.Falguni Nayar, Nykaa CEO, leveraged degrees from Sydenham College and IIM Ahmedabad.Vineeta Singh, Sugar Cosmetics co-founder, combined engineering from IIT Madras with an MBA from IIM Ahmedabad.Roshni Nadar Malhotra, HCL Technologies Chairperson, merged communication studies with a Kellogg MBA, leading India's IT giant.