Madhabi Puri Buch takes over as Sebi chief

 Madhabi Puri Buch took over as the Chairperson of capital markets regulator Sebi, succeeding Ajay Tyagi who completed his five-year term. Buch, the first woman to head the important financial regulator and also the first non-bureaucrat to lead it in many years, was appointed by the government for a three-year term.