Nishtala Appala Narasimham, shortly N. A. Narasimham (15 August 1922 – 8 April 2002) was an Indian physicist and spectroscopist.
in physics from Banaras Hindu University (BHU) in 1945.
He has joined with R. K. Asundi at BHU in 1949 and obtained his Ph.D. in 1952.
He died in Mumbai on 2002 at the age of 79 years.
He is survived by wife Kamala and son Prasad.