After a short tenure as a lecturer in Civil engineering at the Government Polytechnic, Kozhikode and a year at the Bombay Port Trust as an apprentice, he joined the Indian Railways in its Service of Engineers. His first assignment was in the Southern Railway as a Probationary Assistant Engineer in December 1954. He is also the school classmate of former Chief election commissioner T.N.Seshan.
In 1963, a huge tsunami washed away parts of Pamban Bridge that connected Rameshwaram to mainland Tamil Nadu. The Railways set a target of six months for the bridge to be repaired while Sreedharan's boss, under whose jurisdiction the bridge came, reduced it to three months. Sreedharan was put in-charge of the execution and he restored the bridge in just 46 days. The Railway minister's Award was given to him in recognition of this achievement. In 1970, as the deputy chief engineer, he was put in charge for implementation, planning and design of Calcutta metro, the first ever... Read More