The most significant political and economic issue of this century and the next is climate change. Globally, governments, corporations, investors, and private citizens have begun to address climate issues, particularly with regard to climate policy strategies. To support initiatives which it reduce GHG emissions and help businesses adapt to the effects of climate change, a low-carbon economy would require extraordinary levels of new capital investment, particularly in the form of green financing. It is crucial in tying the financial system, environmental growth, and economic growth together. Both public and private sector entities make contributions to green finance initiatives. Sustainable finance, which encompasses "green finance," "climate finance," and "low-carbon finance," refers to the use of funds for projects that are significant from a social, economic, and environmental standpoint. In order to achieve "low carbon, green growth," green finance is essential. It is crucial in establishing connections between the financial sector, environmental enhancement, and economic growth. For the Indian economy, funding such environmentally significant projects has always been difficult, particularly the funding needed to achieve the production of 175 gigawatts of renewable energy by 2022. The financing of renewable energy projects in India has always been hampered by issues like high capital costs, insufficient debt financing, and short loan maturities.