Oxford graduate Juhi Kor described his grandfather's efforts, from getting an education to how his ambition came true in her despite coming from a lower caste household in the 1940s.
The reported suicide in IITs is still under investigation by the police.
Nitish Kumar, the chief minister of Bihar, had said Prashant Kishor "may wish to stay with and help" BJP after the latter had dismissed the political realignment in the state.