Kalu made the revelation in an interview with newsmen after meeting former military president, General Ibrahim Badamasi in Minna to canvass support for the re-election bid of President Muhammadu Buhari.
The former Governor and his entourage arrived at Babangida’s hilltop residence at 12:08pm in three black Toyota jeeps and two Hillux Vans.
He was then ushered into the guest room, where he held a closed-door meeting with Babangida.
Nnamdi Kanu hasn’t been seen or heard from since the military carried out Operation Python Dance II in the south-east a year ago.
IPOB claims, but fails to prove, that he has been held captive by the army since the raid, an assertion the army denies.