Rajan is a name of Hindu / Indian origin, and is commonly used for males.
According to the Food Network, 1/3 to 1/2 pound of potatoes should be allocated per person when preparing mashed potatoes. When serving roasted potatoes, 2 1/2 pounds of potatoes should be allocated per person.
Yams can grow up to 100 pounds and are rarely available in American supermarkets. Nutritionally, sweet potatoes greatly outweigh yams. Because of the common use of the term yam, it is acceptable to use this term when referring to sweet potatoes. Sweet potatoes contain an enzyme that converts most of its starches into sugars as the potato matures.