Mergers and Acquisitions being an inorganic activity is foremost choice of growth and expansion by the Corporates irrespective of a sector or country it belongs to. It is specifically interesting but at the same time involves lot of due diligence procedures by the firms for undergoing the mergers and acquisitions. Firms now-a-days are involved in Domestic, Inbound and Outbound (Cross-Border) M & A due to various reasons which can be categorised into various determinants of Mergers and Acquisitions. Past Literature has described the determinants of M & A but the research is inadequate particularly for Inbound and Outbound Mergers and Acquisitions. The research has reserved Scopus as database for extracting the research papers on determinants of mergers and acquisitions for the years 1996 to 2021. The methodology includes certain tools which are used for searching the determinants of M & A comprising of Keyword Analysis, Citation Analysis, Network Analysis, Bibliometric Analysis and explaining the determinants exclusively by historical analysis. The study is discussing the emergent literature on determinants of Cross-Border Inbound and Outbound Mergers and Acquisitions. The key implications of the study precise that the determinants of inbound and outbound mergers and acquisitions are different for various sectors, country specific and also firm specific. The sector to which a firm belongs together with macro economic and firm specific determinants shape the decision of entering into mergers and acquisitions by a firm. Also, all the determinants are not postively impacting the decision of mergers and acquisitions.