TW = Marginal Workers + Main Workers
NW = Non-workers seeking work
                       NW
Unemployment Rate = ‒‒‒‒‒‒‒‒ × 100
                    TW + NW
    

Main Workers: Workers who worked for more than 6 months (180 days) in the reference period are termed as Main Workers.

Marginal Workers: Workers who worked for less than six months (180 days) in the reference period are termed as Marginal Workers.

Non-workers seeking or available for work: A person who did not work at all in any economically productive activity during the last one year preceding the date of enumeration was treated as non worker.

[source 2011 census]