History is the only source which gives us an idea how we the humans can totally become alien to our own habits, culture, nature, diet. Ragi and Horsegram were evident in Assam and Meghalaya during Middle Paleolithic age. Evidence shows it. But now we look at both these as foreign cereals. Perfect grid system was used to build cities like Harappa, Mohenjodaro, Lothal, Kalibangan etc with straight roads intersecting in right angles. Oval sized Harappan cities were present in Haryana with Radial roads emanating from centre. Mesopotamian civilization was only one eighth the size of Indus valley civilization. But now in India, we can't plan a modern city. The expertise achieved 6/7 thousand years ago is lost. We need Le Corbusier to plan Chandigarh or Gandhinagar. When Gallileo was jailed for going against the orthodox church in Europe, Indian scientists already calculated circumference of the earth, found out that the earth was spherical, Sun is a star, 9 planets of the solar system. ...
You should know about PL 480 wheat import from USA during 1970s & India's HCQ export to them in 2020. See the difference between Indians & Americans. (200 words explanation) After independence, India relied on food crop supplies from the United States under Public Law 480 (PL-480) against rupee payments. Later this measure was considered as a folly. India was not technologically developed on Independence. Despite very good annual agricultural growth form 1956-65 of 3% per annum, India had been facing food shortages. Agricultural growth was not promising as demand was rising with population at 2.2% per annum from earlier 1%. Indian market was not able to meet the demand fully and then India started importing form U.S from 1956 under PL-480 scheme. Later it turned to be a wrong step as reasons behind this are:- Increasing dependence on food from U.S, Indo-Sino(1962), Indo-Pak(1965) war and two successive famines (1965-66) further aggravated the s...