The 30-year-old has installed his own device equipped with a Light Dependent Resistor (LDR) sensor in 120 panchayats and the Warangal municipality. The device automatically detects the presence or absence of light and shuts off the main system controlling streetlights. Growing up in Gopalapuram village in Warangal (Rural) district, Raju Mupparapu noticed how streetlights in his village, which were switched on as early as 5 pm in the evening, weren’t switched off in the morning. While most residents overlooked the fact that streetlights were on even during the day, what Raju saw was an immense waste of electricity. Lets go deeper into this project in today's episode. For expressing your views on this episode, leave a message at Instagram: telugupodcast_ragapod