You will meet very few people who love nature to the core, and this Pune professor is one of them. 79-year-old retired professor, Dr. Hema Sane said that she never used electricity at her small house. Her home is surrounded by trees, birds, and animals. While talking to the media, she said, "humans have 3 basic needs- food, shelter, and clothing. There was a time when there was no electricity. I can live without it."