Lassi with Lavina introduces a new column, Diary of A Changemaker, written by noted thought leaders who are changing the world in major ways but who also have the humanity and compassion to shine a light on forgotten corners and bring changes there for forgotten populations. Ramji Raghavan is the first in our series on power people who are helping the powerless to fend for themselves. Raghavan is a social innovator and the founder of Agastya International Foundation which has transformed the lives of so many children in India with its remarkable science-based curriculum which instills a love of learning…