This study analyses the impact of Foreign Direct Investment (FDI) invasions on India's Gross Domestic Product (GDP) growth, comparing pre- and post-COVID-19 periods. FDI roll will be a crucial role in driving economic growth, job creation, and technological advancement in developing economies like India. The research examines FDI trends from 2012 to 2023, exploring how the pandemic influenced investment patterns and economic performance. And it slowly reduce the growth factors in some of the factors and how it will be increased in other fields. The findings highlight a noticeable shift in sectoral investments and a optimistic correlation between FDI and GDP growth, though pre and post-COVID recovery was slower due to global uncertainties and domestic challenges. The results was tested with the paired t test to find the corelation of FDI and GDP.