He was 91.
The retired IPS officer of 1950 batch was the first DGP of undivided Madhya Pradesh when the post was created for the first time, Madhya Pradesh DGP Surendra Singh told PTI.
He is survived by his wife, two sons and a daughter.
Dube was admitted to a private hospital after suffering heart related ailment and breathed his last this morning.
His last rites will be performed later in the day as per the police protocol.