The call about a bag lying unclaimed at the gate of RML Hospital, close to Rashtrapati Bhawan, in North Avenue area was received at 3 PM, police said.
Various agencies and police reached the spot along with a bomb disposal squad and sniffer dogs but the bag was found to contain no explosive, said a senior police officer.
The call saying a blue colour bag lying unclaimed on platform number 16 of New Delhi railway station was received at 4.45 PM. But no explosive was found in it, he said.
Thousands of security personnel have been deployed in and around the historic Mughal fort which will see the presence of senior ministers, top bureaucrats and foreign dignitaries, besides a large audience to hear the Prime Minister.