Aditya Asks Nandu To Meet Him

Mrityunjay succeeds in convincing Rudra that he is Babloo. Aditya asks Nandu to meet him alone. Tara, Mrityunjay, Nirmala, Meethi and Aditya reveal the truth to Nandu and inject her with a drug. What did they tell Nandu? What drug have they administered to her?