Are people having surname panchal schedule cast or schedule tribes?

Hindu panchal surname caste is basically a caste which was respected by all the kings and gods in ancient time . Panchals sur name was originated from god vishvakarma, who had 5 son and fifth was named as panchal . These people are very skilled in terms of construction , engineering , vastusastra and known as blacksmith (luhar) also . This caste comes under OBC category .