Batik is a wax resist dyeing technique applied on cloth originating from Indonesia and prevalent in Malaysia, Japan and Asia.
To read more, click on https://www.britannica.com/technology/batik
Click on, https://ich.unesco.org/en/RL/indonesian-batik-00170
For Shantiniketan batik, click on https://asiainch.org/craft/batik-on-leather-of-shanti-niketan-west-bengal/