Abstract Today every business or association take after different exploration strategies since utilizing same procedures, innovation or administration methods is dangerous for business here and there. The scientists gather data and pick the exploration technique which is most appropriate to locate the craved data. There are four sorts of exploration techniques. 1. Conceptual research, 2. Quantitative research, 3. Qualitative research, 4. Mixed method research. Here we will look these four examination techniques which is concentrating on four articles and all is identified with leadership. A brief rundown of the hypothesis, basic and diverse subjects, study restrictions have been examined in this exploration paper. Brief summary of the theory and discussion of progression in the field. As indicated by John C. Maxwell (2012) in the calculated exploration article a standout amongst the most vital assignment of pioneers is to give data and helping representatives what's happening around them. The logic of leadership contained in authority advancement projects of the past is no more satisfactory for managing entangled issues worked in groups and association today. While in Quantitative examination article is a legitimate, reasonable, deliberate, efficient procedure in which numerical information are utilized to gather data about the world. Conger and Benjamin (1999) clarified that leadership advancement is about paying consideration on the learner's changing practices including put thoughtfulness regarding the individual learner and what his or her drilling needs. In the subjective article, George K. Kriflik and R.Jones (2007) clarifies that subjective examination is depicts initiative procedures at work. Subjective studies are more appropriate for grounded hypothesis and use grounded hypothesis as the legitimate strategy for looking into the procedure of initiative. Blended strategies plans a blend of subjective and quantitative exploration which is utilized for gathering, breaking down and blending both subjective and quantitative information in arrangement of studies to both depict and look at particular examination questions. Discussion of common themes Leadership is characterizes that everything cooperate in successfully working environment. While reasonable article puts light on the fundamental parts of administration, for example, accomplishment, connections, and qualities by giving hypothesis based structure of what instruments are accessible and how they identify with each other. Then again quantitative examination article looks understanding that businesses are fulfilled by their employment or not, perception of pioneer's conduct and administration adroitness. The subjective exploration article picked initiative writing as a preparing hypothesis, and a system for represent helper collaboration. This structure exists of three classifications of pioneer technique which concentrate on the supplementary, on the earth, and on the pioneer. Blended examination article concentrates on gathering, breaking down, and blending both subjective and quantitative information in a solitary study or arrangement of studies. Subsequently, the normal topic in all these articles is that initiative is the base of every one of them. Another regular topic that is found in these four articles is that solid administration can help at work environment to energize their specialists, give motivation and get accomplishment in the business world. Discussion of different themes In spite of the fact that, the heart of all these articles is leadership, each of these articles looks at different parts of this idea. Applied, quantitative, subjective, blend investigate all these articles are searching for various answers in the field of authority. In the reasonable article the fundamental intention is picked hypothetical information for exploration and the information assembled through the activity of numerous, put accentuation on components of business managing, transformation and worker administration models. The quantitative article utilizes an alternate examination techniques test research and non-test research. The objective of this exploration strategy is gathering truths of human conduct. Other than quantitative examination article take after clarifications and forecasts that will create to different persons and spots. The subjective article utilizes a few distinct techniques for exploration, for example, contextual analysis, grounded hypothesis, ethnography, content examination, and phenomenological. As indicated by Johnson and Onwuegbuzie (2004) the blended exploration article uses to draw qualities and shortcomings of the quantitative and subjective examination approaches in light of the fact that numerical information which is acknowledged from quantitative exploration including story information, a standard for subjective exploration. Discussion of study limitations &how limitations differ across the research designs The impediment of theoretical article demonstrates that distinctive practices are entangled in both initiative which one transformational and value-based. These practices are measured with the multifaceted leadership poll (MLQ). While some studies discover positive pay conduct loads on the transformational calculate as opposed to value-based variable. In the quantitative exploration article utilized measurable strategies, for example, registration information, government measurements, wellbeing framework measurements and so forth. In some cases measurable data is not accessible and hard to look into. In the subjective examination article confinement is that this exploration technique give less significance on tallying quantities of individuals who thinks diversely in certain ways. Then again this examination put more accentuation on clarifying that why individuals thinks and carry on in certain way. At that point the blended exploration article, studies are entangled for game plans and administration. This technique additionally required cautious wanting to portray study test for subjective and quantitative fragments. Discussion of future research directions (commonalities &differences) The applied examination article prescribed to future analysts do concentrate on looking at interior and outer changes which can supportive to pioneers who over the different associations moreover corporate, social insurance, and training they lead. Moreover, in this article do concentrate on the relationship amongst pioneer and their immediate effect on association they lead. The quantitative examination article in view of numerical information and insights is utilizing for determination them. This strategy recommends to specialists to utilize tests for examination. In subjective examination article utilize the information of data however it is prescribed to scientists watched conduct moreover. The blended examination article advices analysts concentrate on gathering gatherings and dialogs. Likewise read and investigation of past composed material and archives. To finish up, these four articles utilizes research outlines in an unexpected way, however the center is the same. All these examination articles have basic exploration heading is leadership advancement in a positive side that advantages for representatives and the business or association.