Vegetarian symbol (left) conists of a green colour filled circle inside a square with green outline. Non-vegetarian symbol (right) consists of a brown colour filled triangle inside a square with brown outline.
https://www.fssai.gov.in/upload/uploadfiles/files/Compendium_Labelling_Display_23_09_2021.pdf
Own work based on: Current FSSAI Veg and Non-veg Labels.png:
Food Safety and Standards Authority of India