This is hirekaayi chutney. You can prepare from the skin of hirekaayi also. Same way from seeme badanekaayi also. But we don't add tomato, instead tamarind .
Kavya you keep all the areas of your house so clean but why don’t you clean your dosa pan ? The crust formed on the sides of the pan emits carcinogenic fumes when pan is heated. There are many videos on RU-vid to explain how to clean the cast iron and removing old crust which actually is carbon deposits .