1996 SINGH, Ajit Iqbal (b. 1943) PhD(Cantab),FNA, INSA Emeritus Scientist, Res. Apt.102,Block II, Sexth Floor, Din Apartments, Plot No. 7, Sector 4, Dwarka, New Delhi – 110075; Tel: (011) 09212068046(M); Email: ; Sp. Functional Analysis/Harmonic Analysis/Quantum InformationTheory.