Changes

* [[Timeline of food and nutrition in India]]

** Add introduction of potato in India e.g. https://en.wikipedia.org/wiki/History_of_the_potato#Asia (there are probably more informative references) ✔

** Ragi (finger millet) ✔

** Big picture -- I think 20th century should be broken down further, maybe till independence, then till before the green revolution, and post-green revolution. Look at the events and see what the best breakdown is