Dear Tirlok, It appears that after the training, if employees are just refusing to accept the new type of job in the company, then it is a matter of the culture of your company. They are institutionalized in their jobs and are refusing to go elsewhere. When companies do not practice job rotation, problems of this kind arise.
You are ready to give incentives for their performance. However, have you thought from their point of view? Do they fear that if they are placed in the new job, it could take a while for them to acquire expertise and, in the meantime, they could lose their incentives in the existing jobs?
In fact, you could have given a little more information. What type of job training do you impart? After the training, what type of job are they supposed to do? How many persons are trained, etc.?
When positive discipline does not work, we need to resort to negative discipline as well. Whoever refuses to work in the job may be taken to task. However, this suggestion depends on the internal dynamics of the company.
Thanks,
Dinesh Divekar