Taslimuddin (74), a Lok Sabha member from Araria in Bihar, had come here in connection with a Lok Sabha committee meeting.
He developed a breathing problem following which he was admitted to the ICU of a private hospital here.
"The condition of Taslimuddin is normal and stable", the sources said, but did not elaborate.
Taslimuddin is a seven-time MLA and five-time MP.
He had served as Union Minister of State for Home in the past.