Yeah you heard me this guy Prahlad jani an Indian sadhu has not taken anything for past 75 years popularly know a mataji.He claims to have lived without food and water since 1940, and says that the goddess Amba sustains him.
Two observational studies of Jani have been conducted, one in 2003 and one in 2010, both involving Sudhir Shah, a neurologist at the Sterling Hospitals in Ahmedabad, India, who had studied people claiming to have exceptional spiritual abilities, including other fasters such as Hira Ratan Manek. In both cases the investigators confirmed Jani's ability to survive healthily without food and water during the testing periods, although neither study was submitted to a scientific journal. When questioned six days into the 2010 experiment, the DRDO spokesperson announced that the study's findings would be "confidential" until results were established, and a further official press release by the team stated that any inside analysis information may be disclosed only at the discretion of the principal investigator, DIPAS. Uninvolved doctors and other critics have questioned the validity of the studies and stated their belief that, although people can survive for days without food or water, it is not possible to survive for years. Especially, since glucose, a substrate critical to brain function, isn't provided. The veracity of Mataji's claims have also never been independently confirmed with all tests being indigenously conducted.
In 2003, Sudhir Shah and other physicians at Sterling Hospitals, Ahmedabad, India observed Jani for 10 days. He stayed in a sealed room and was given only 100 millilitres of water to use as mouthwash each day. Doctors say that he passed no urine or stool during the observation, but that urine appeared to form in the bladder. A hospital spokesperson said that Jani was physically normal, but noted that a hole in the palate was an abnormal condition.The fact that Jani's weight dropped slightly during the 10 days has cast some doubt on his claim to go indefinitely without food
From 22 April until 6 May 2010, Prahlad Jani was again observed and tested by Sudhir Shah and a team of 35 researchers from the Indian Defence Institute of Physiology and Allied Sciences (DIPAS), as well as other organizations.The director of DIPAS said that the results of the observations could "tremendously benefit mankind", as well as "soldiers, victims of calamities and astronauts", all of whom may have to survive without food or water for long spells. The tests were again conducted at Sterling Hospitals. Professor Anil Gupta of SRISTI, involved in monitoring the tests, described the team as being "intrigued" by Jani's kriyas apparently allowing him to control his body's physiological functions.
The team studied Jani with daily clinical examinations, blood tests, and scans. Round-the-clock surveillance was reportedly followed using multiple CCTV cameras and personal observation. The researchers say that Jani was taken out of the sealed room for tests and exposure to sun under continuous video recording. According to the researchers, Jani's only contact with any form of fluid was said to be during gargling and occasional bathing starting from the 5th day of observation, and the toilet in Jani's room was sealed to test his claim that he did not need to urinate or defecate.
After fifteen days of observation during which he reportedly did not eat, drink or go to the toilet, all medical tests on Jani were reported as normal and researchers described him as being in better health than someone half his age. The doctors reported that although the amount of liquid in Jani's bladder fluctuated and that Jani appeared "able to generate urine in his bladder", he did not pass urine. Based on Jani's reported levels of leptin and ghrelin, two appetite-related hormones, DRDO researchers posited that Jani may be demonstrating an extreme form of adaptation to starvation and water restriction. DIPAS stated in 2010 that further studies were planned, including investigations into how metabolic waste material is eliminated from Jani's body, from where he gets his energy for sustenance, and how he maintains his hydration status