Today’s decision making is important to manage organizations which is clear as management decisions are not dependent upon anyone’s personal opinion but rather the team would rely upon proven scientific data .Decision making is one of the key role of any manager andtimely, exact information gathered through  decision support system help him to achieve his goal of taking key decisions that too in critical conditions . These systems by using data resources correctly create better understanding on work area and develop communication procedure. Due to this we could express decision support systems as they are very flexible and interactive computer systems that use to support all decision making process in conditions where problem is arising. Decision support system works as a therapist beside a decision maker and provides this possibility that could run with vast information gathering and use them arbitrarily and in suitable models frame to improve decision making process.

KEYWORDS: MIS, Decision Support System, Decision Making Process, Semi-structured Problems.