In India, coastal communities face significant groundwater issues that have wide-ranging implications for agriculture, drinking water supply, and environmental sustainability. These issues are due to population growth, urbanization, over-extraction, depleting water table, deteriorating water quality, lack of regulation and monitoring, climate change impact, and deficiency of groundwater sources. Submarine Groundwater Discharge (SGD) is widely acknowledged as a crucial component of the groundwater sources and the hydrological water cycle, and it is a key source of dissolved chemicals entering marine ecosystems, particularly in semi-arid regions. This research methodically reviews 54 scholarly published articles on SGD in India's shorelines, covering various aspects over the last 24 years (from 2001 to 2024). Recently, the scientific community in India has focused on SGD studies exploring various topics such as identification, quantification, and pollution (nutrients, heavy metals, and microplastics) based research. This review aims to provide the first approach to exploring detailed information about the recent development of SGD studies in India, including i) basic characteristics and demand of groundwater sources related to SGD in land and marine environments ii) studies conducted about the identification of SGD iii) studies carried on the quantification of SGD on shorelines and estuaries with adopted methodologies for assessing SGD iv) recent advances of SGD on marine and aquatic ecosystem degradation v) summarizing the additional knowledge about important SGD knowledge shortcomings along with research requirements on particular India's shoreline and estuaries. According to the SGD literature, approximately 48 % (around 3600 km) of India's total coastal line of 7516.6 km has been studied, with a primary focus on Gujarat, West Bengal, and some parts of other coastal states. The highest SGD flux was recorded at Beejadi in Karnataka on the west coast, measuring 7.54 m/day during the pre-monsoon and 5.72 m/day in the post-monsoon. In contrast, Chandipur in Odisha on the east coast recorded fluxes of 3.6 m/day and 5.9 m/day during the pre-monsoon and post-monsoon, respectively. This research highlights the findings of published SGD studies along India's coastline, provides background on the research gaps and knowledge, advancement in methodologies, and recommends the creation of a regional groundwater governance strategy.