India ink is a black ink made from carbon black, water, and a binding agent. It is known for its deep, rich color and is commonly used in drawing, calligraphy, and printing. The ink is water-resistant when dry, making it suitable for various artistic applications. Originally, India ink was developed in ancient India and was used for writing and art. It has a long history and has been favored by artists and illustrators for its versatility. Today, it remains popular among both professionals and hobbyists for its ability to produce fine lines and bold strokes.