Hira Ratan Manek is full of crap. Did you see all the things sun gazing is supposed to help with....
Here are a few from the description.
1. "a person can live just on solar energy for very long periods without eating any food."
2. "The method is used for curing all kinds of psychosomatic, mental and physical illnesses"
3. "as well as increasing memory power and mental strength by using sunlight."
4. "One can get rid of any kind of psychological problems"
5. "and develop confidence to face any problem in life"
6. "and can overcome any kind of fear including that of death within 3 months after starting to practice this method.
7. "one will be free from mental disturbances and fear, which will result in a perfect balance of mind."
8. "If one continues to apply the proper sungazing practice for 6 months, they will be free from physical illnesses"
9. "one can eventually win a victory over hunger, which disappears by itself thereafter."
10. "enables one to harmonize and recharge the body with life energy"
11. "invoke the unlimited powers of the mind very easily."
12. "allows one to easily liberate from threefold sufferings of humanity such as mental illnesses, physical illnesses and spiritual ignorance."