Collector Maheshwari Ravikumar inaugurated the production of a solar-powered sodium hypochloride solution (PVC) machine for Coronation Prevention Services. Sodium hypochloride (0.05 to 1 percent), known as 'hypo solution', is commonly used in disinfectants worldwide.This solution is one of the best cleaning major antiseptic in everyday use. Solar power has been engineered by former technical council chairman Ilango of Kutambakkam, with the use of solar powered technology at low productivity costs. In order to distribute the antiseptic to the offices of the Tiruvallur District Secretariat, Amsa Nagar and Malerkodi areas have been launched at the district tourist resorts in the city.The machine is very affordable and the self-help group makes a daily income.