Dear friend,
Sec.9-A provides for alteration of conditions of service in respect of matters enumerated in the Schedule IV when they are not the subject-matter of any pending industrial dispute. The purpose of the 21 days notice is only to allow the workmen likely to be affected by such a change in the service condition proposed the right of representation. Coming to the proposed change of work of the nurses from other shifts to the general shift, you have to explain the possible hardships to be undergone by the nurses because of such change. The possible outsourcing given in the parenthesis can not be a valid defense for it is not going to affect the employment rights or benefits of the regular nurses in any manner. Besides, any such objections raised by the workmen cannot curtail the right of implementation of the proposed change after the expiry of the notice period.