In Indian business circles, Chandrika Krishnamurthy Tandon may not be as well-known as her sister Indra Nooyi, the former chief of PepsiCo. But in the world of education, philanthropy and performing arts in the US; the Grammy-nominated musician is a well-recognised star. In 2015, Chandrika and her engineer-turned-investor husband, Ranjan Tandon, donated $100 million for the engineering school at New York University…

