 India also envisages to increase the contribution of nuclear power to overall electricity generation capacity from 4.2% to 9% within 25 years.The country has five nuclear reactors under construction (third highest in the world) and plans to construct 18 additional nuclear reactors (second highest in the world) by 2025.During the year 2018, the total investment in energy sector by India was 4.1% (US$ 75 billion) of US$ 1.85 trillion global investment.