Nirmitee Robotics India Limited announced that they are going to provide their AC duct cleaning services at India's Largest Hydroelectric power station i.e Koyna Hydroelectric power project. The Koyna Hydroelectric Project is the largest completed hydroelectric power plant in India. It is a complex project with four dams including the largest dam on the Koyna river, Maharashtra. The project site is in Satara district, near Patan. The project consists of four stages of power generation. The company have received an order of INR 5.4 million for AC duct cleaning for stage I & II. All the generators are located in underground powerhouses excavated deep inside the mountains of the Western Ghats. The company started its journey by providing AC duct cleaning & ozone sterilization work at Vaitarna Hydroelectric power station, situated on river Vaitarna near Nashik, Maharashtra. The company had also provided its services in the Thermal power stations of MAHAGENCO & cleaned and sterilize the AC ducts at the Panel control rooms of many Thermal power stations. Its patented robotic technology is the revolution in HVAC duct cleaning industry.