MUMBAI: Star Plus' popular daily soap Yeh Rishta Kya Kehlata Hai will showcase high-voltage drama and dhamaka in the upcoming episode.

Dr. Sid and Dr. Juhi tell Naira that Kairav has to undergo open-heart surgery.

Naira is very nervous and does not know what to do when the doctors ask her to sign a consent form.

However, Kartik comes, signs the consent form, and tells the doctor that he is Kairav's father.

Kartik and Naira stand together in this time of trouble.

Meanwhile, Kairav's condition gets critical.

Kartik loses his cool and lashes out at Naira. He tells her that he will never forgive her if anything happens to his son.

Will Kairav survive this risky surgery?

Stay tuned to know.