The Bollywood actor has been accused of making 'defamatory and baseless comments' against the lyricist in a television interview last November
The court said it is shameful that crimes against women are taking place in a country where mega epics like Mahabharata and Ramayana were written about respecting them.
Tharoor had in December 2018 filed a defamation case against Prasad for allegedly making derogatory remarks in connection with his wife Sunanda Pushkar's death.
Gandhi's plea was recorded, his lawyers moved an application seeking permanent exemption from personal appearance.
The former Congress president surrendered before the court of Additional Chief Judicial Magistrate Kumar Gunjan and secured bail.
While the cases against Kangana are related to her interviews and statements made during a television show, those against her sister are related to comments made on social media.
Tharoor had said: 'Modi is like a scorpion sitting on a Shivling. You cannot remove him with your hand and you cannot hit it with a 'chappal' either.'
Akbar, who was cross examined by senior advocate Rebecca John on several details regarding his meeting with Ramani for a job in Asian Age among others, responded by saying that he does not remember.
Tharoor on Thursday said that such false stories were part of the BJP's inability to conduct a decent, clean election campaign.
Akbar has as accused the journalist of "wilfully, deliberately, intentionally and maliciously" defaming him.