Calcutta Betel Leaf, also known as Khad Betel, is a type of betel leaf that is grown in West Bengal, India. It is a popular variety of betel leaf and is known for its strong, pungent taste and aroma.

The leaves are typically medium-sized, have a deep green color, and are often used in the preparation of paan (a popular Indian mouth freshener).

Old Calcutta betel leaf is also believed to have medicinal properties and is used in Ayurvedic medicine for its digestive and anti-inflammatory benefits.