Clay jaali / jali can be used for decorating both interior and exterior space. Blocks can be used for partition walls to give feeling of both privacy and protection.
Brickstile.com deals in terracotta jali / jaali made from clay. These are also called breeze blocks. Partition walls made from clay jaali / jali have less weight from usual wall. Terracotta clay jaali / jali blocks most commonly used for fences, partitions, ventilation facade wall etc.