Singh's criticism and his unfavourable assessment of the NCP chief has been made in the late leader's soon-to-be released autobiography "A Grain of Sand in the Hourglass of Time" being brought out by Hay House India.
The former Madhya Pradesh Chief Minister, who was Pawar's colleague in the Narasimha Rao cabinet and later, has attacked him for raising the foreign origin issue of Sonia Gandhi and his subsequent hobnobbing with Congress.
In the book, Singh has said that he had warned Rajiv Gandhi in 1986 against re-admission of Pawar in the Congress saying his "history was not at all inspiring" and he could again ditch the party any day.
"My assessment of Pawar
