A promotion assumes greater responsibilities. Usually salary is also increased, but not necessarily. Salary increase is just that, more money without a change in duties.

You can have a salary increase without having any more responsibility, and without being promoted to a higher position. It could be a "cost-of-living increase" which happens when there is economical inflation. The US government decides each year, based on something I don't understand, that money is not worth as much as it was last year, so there has been inflation. There is a formula that economists decide on, and you might get a raise of three percent, one percent, or no raise each year (for example). Also, some companies give you an increase for each year you stay in the company. Your job description would not change in this instance.

Promotion: An increase in a professional employee’s basic annual salary accompanied by movement to a higher salary level (SL) with a change in title resulting from a permanent and significant increase in the employee’s duties and responsibilities as a consequence of a permanent increase in the scope and complexity of function of the employee’s position. Salary Increase: An employee who has been assigned a permanent an

promotion can be an upgradation on grade/role. It may or may not increase your salary. whereas salary increse means there must be some imcrement in your income.