Someone plz give some insight about ESI exam which is on 30th march

Someone plz give some insight about ESI exam which is on 30th march … how’s the exam pattern? Similar to upsc cms / tougher or easier than upsc cms? Anything specific needs to study for this exam?? & From Where we can get previous year qus of this exam?

There are few links available online for PDF downloads of previous year questions .You can search for the same

Were not mentioned!