He was medically examined then shifted him to jail number 2, whose other notable inmates include gangster Chhota Rajan.
The railway ministry said it took the decision for the safety of passengers.
While India today is vastly different from the India of 1975, the need for vigilance against authoritarianism remains the same, asserts Utkarsh Mishra.
"Nobody can forget June 25-26 in the history of India. 40 years ago, the country was bound with chains of Emergency and turned into a jail for the lust for power," he said.
It was another chilly morning in the national capital as icy winds swept the city while early morning fog disrupted rail operations, delaying 52 trains.