Telangana Telugu Desam Party president L Ramana was taken ill while addressing a gathering in neighbouring Rangareddy district today.
Ramana was speaking at 'Mini Mahanadu', the annual conclave of the party, when he fell ill and was taken to a private hospital in Malakpet area, a TDP spokesperson said.
Doctors said the leader collapsed as his sugar level had gone down.
"He is stable now and will be kept under observation today," a doctor said.
