For the security of its water and electricity, India has a vast network of dams. However, as many of these dams were constructed many years ago, they now need to be renovated due to aging. This poses a substantial engineering problem because the restoration work must not only guarantee the dam's structural integrity but also incorporate environmentally friendly procedures for long-term operation. Electrical engineering has a key role to play in India's sustainable rehabilitation of deteriorating dams. By utilizing contemporary turbine-generator technology, many dams can increase their ability to generate electricity. By producing more electricity with the same amount of water, new turbines can improve a dam's efficiency and lessen its environmental impact. The monitoring and control system of the dam needs to be improved as part of sustainable rehabilitation. Modern sensing technologies enable operators to optimize dam operations for optimal efficiency and safety by providing real-time monitoring of water levels, temperature, and other characteristics. Last but not least, electrical engineers can help create a smart grid system that uses renewable energy sources like solar and wind power. This can improve the overall sustainability of the dam and help India meet its growing demand for electricity while reducing its dependence on fossil fuels. A sustainable rehabilitation approach to India's aging dams must encompass a range of electrical engineering solutions to ensure their long-term viability. Upgrading the dam's turbines, implementing advanced monitoring and control systems, and developing a smart grid system can all contribute to achieving this goal.