Indian Mangalore Cucumber is also known as yellow cucumber or Madras Cucumber, is a curry cucumber that is low on calories and is a good source of Potassium. It contains no saturated fats or cholesterol and is known for its diuretic properties. We make a delicious fry using the yellow cucumber. Once upon a time, this was grown in the backyard of most homes. It was stored for months together in a cool dry place for use.