IN your review (p. 195) of “Field and Garden Crops of the North-Western Provinces and Oudh” you speak of the peculiar system of numeration used by the author, as in the instance 6,79,06,496, ...

As is the case in most countries, population density varies widely across India. The most populous state, Uttar Pradesh, recorded close to 200 million (20 crore) inhabitants in the 2011 census, while ...