Bachelor of Science in Physics, Madras Christian College, 1946. Master of Arts in Physics, Madras Christian College, 1948. Master of Science in Optics, University Rochester, 1966.
Assistant professor physics, Madras Christian College, 1948-1963; teacher, researcher, assistant, instructor, U. Rochester, New York, 1963-1966; senior optical engineer, Bausch & Lomb, Inc., Rochester, New York, 1966-1981; principal physicist, American Optical Company, Buffalo, New York, 1981-1986; staff engineer, Martin Marietta, Orlando, Florida, 1989-1990; president, chief engineer, PPJ Enterprises, Pittsford, New York, since 1980.
Member Optical Society of America, Society Photo-Optical Instrumentation Engineers.
Married, 1954; children: Bijoy, Rejeeve, Susan, John Junior.