Change sentences from passive voice to active voice but it does not change the meaning of the sentence:
1) In the first seven days the employees shall be provided with the knowledge about the company policies and culture, however; the next three weeks, the employees shall be provided rigorous training related to their job role.
2) The performance of the existing employee shall be evaluated quarterly and the employees who have not been performing well in the quarters shall be chosen for the training and development program.
3) The induction program shall be conducted by an experienced person in this field, who shall be hired by the organisation from both external and internal sources.
4) The employees shall be evaluated on the basis 360-degree performance appraisal method, and the underperforming or average performing employees shall be selected for undergoing the training and development program.