Questions

A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not "guesses" but reliable accounts of the real world. Scientific theories are not ever proved in the sense of being proved to be 100% correct.

Examples of some scientific theories are ::

Evolution, gravity, atomic theory, the germ theory of disease, relativity, quantum theory, electromagnetic theory, layered Earth theory, etc...

Dr. Gullapalli N. Rao, the founder and chair of the LV Prasad Eye Institute (Hyderabad), has been selected to the 2017 Ophthalmology Hall of Fame instituted by the American Society of Cataract and Refractive Surgery (ASCRS). He will be honoured at the induction ceremony in Los Angeles on May 6, 2017 at the annual meeting of the ASCRS.

Currently, Rao is the President of the prestigious Academia Ophthalmologica International (AOI), a group of 80 eminent academicians in ophthalmology in the world and is a past Chair of the International Agency for the Prevention of Blindness (IAPB).

Demat means Dematerialisation of share, in simple it is an account with which a person can trade in security market without which a person cannot buy or sell any share in security market. 

Andhra Pradesh

Today, Tomorrow, Tuesday and Thursday.

In Indian History, Dandi March or Salt Sathyagraha or The Salt March, also known as the Dandi Satyagraha, was an act of nonviolent civil disobedience in colonial India led by Mohandas Karamchand Gandhi to produce salt from the seawater. 

It is also called as 'White Flowing River'.