The Delhi Metro shut down the Race Course Metro station on its Yellow Line -- which runs between Jahangirpuri in north Delhi and HUDA City Centre in Gurgaon.
"As advised by the police, Race Course Metro station has been closed for public from 8.20 a.m. till further directions," a Delhi Metro official said.
Additional Commissioner of Police S.B.S. Tyagi told IANS: "Yes, we have asked the Delhi Metro to shut down the station. Let us see how the situation develops."
He added that adequate barricading has also been done in view of the protests.
Singh, who will shift to a three-bedroom house in south Delhi has demanded to convert the 12, Tughlak Road bungalow occupied by him into a memorial dedicated to his father Charan Singh.
This had led to clashes between police and the Rashtriya Lok Dal (RLD) and Bharatiya Kisan Union (BKU) workers Sep 19 and left about 200 farmers and policemen injured.