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Author
Rajesh Kumar Jain is chief signal engineer in the Signaling and Tele-
communication Department of Indian Railways. He did his engineering in
electronics and telecommunication from Government Engineering College
Jabalpur (India) in 1979. The institute is a pioneer in engineering education
in the eld of electronics and telecommunication in India, being the rst col-
lege to offer this course since 1948. He worked in DRDO (Defense Research
and Development Organization) as a scientist, where he was involved in
the development of RADAR systems. He joined Indian Railways Services
of Signal Engineers (IRSSE) in 1984. Since ...