Rule 28. Conditions for exemption of workers form weekly and compensatory holidays

(1) Workers engaged on urgent work or in any emergency which could not have been foreseen or prevented;

(2) Workers engaged in a work in the nature of preparatory or complimentary work which must necessarily be carried on outside the limit laid down for general working in the employment concerned.

(3) Workers whose employment is essentially intermittent.

(4) Workers in any work which for technical reason has to be completed before the duty is over;

(5) Workers engaged in a work which could not be carried on except at times depend on the irregular action of natural forces.

(6) In the case of workers engaged in any work, which for technical reasons, must be carried on continuously throughout the day.