how to increase the productivity?

Of course it is employee motivation which will increase the productive. Whatever may be the technology we need employees to work for us. If you are not motivating them you will not get good productivity even with the best technology. 

So employee motivation plays a vital role...... 

• In today's competitive world economy, the strength of firms is increasingly dependent upon product quality and rapid adaptation to changing conditions.
• To survive in this environment, firms are required to become innovative and incorporate ideas that increase employee motivation and productivity, while minimizing costs.
• To do so, the organization should  provide workers with the information, skills, incentives, and responsibility to make decisions essential for innovation, quality improvement, and rapid response to change.
• Employee motivation is the only way to achieve organisational efficiency, effectiveness and enhance the healthy organisational relationships between internal and external stakeholders such as associates, customers and suppliers. .