Scientists in the Indian Science Congress made some embarrassing claims thatPythagoras’s Theorem was invented in India, not Greece, Inter-planetary planes in Vedic age, Cows can turn their food into 24-carat gold, Helmet from Mahabharata days on Mars, Autopsy by leaving the dead body in water. This is refuted in http://indiatoday.intoday.in/story/5-howlers-from-the-indian-science-congress/1/411468.html
Another person made a claim by quoting Vyaminka Shastra that aeroplanes existed in India 7,000 years ago but he was unaware of the fact that this claim was refuted 40 years ago,
IAS officer claims that blowing conch shell can turn white hairs into black and exercises rectal muscles.
Nobel laureate V Ramakrishnan calls Indian Science Congress a circus.