'Naagin 7' 30th May written update: Tina shocks Karan as Apara uncovers Radhika's dangerous new move

In this episode of 'Naagin 7', Aryaman questions Apara about what she is doing in Radhika's cabin. Apara lies and says she was looking for a safety pin. She tells him she didn't find any marriage photos of Aryaman and Radhika. She leaves and scolds Kapil for not helping her. Kapil apologizes. Apara tells Pratham that Bharani hasn't returned yet, and she is worried.Meanwhile, Karan gives juice to Tina. Tina asks him why his investors' house is in the jungle. Karan stops the car and tells her it is not working. He says he will be back soon and leaves.Bharani gets stuck in quicksand. Karan arrives and tells her she must be like a snake, like her master Ahana. He says he saw her in his car's mirror. He demands she tell him Ahana's truth.Bharani refuses. Karan takes a call and says he will bring Tina soon. Bharani asks where he is taking her. Karan tells her he is going to sell Tina because he needs more money for his business. He orders a man to do his job and leaves. Bharani warns the man. Apara arrives in snake form and attacks him. She saves Bharani. Bharani tells Apara they must save Tina, but she doesn't know where Karan is taking her. Apara says she can find out easily because she tracked Karan's car. She says today is Karan's last day.Later, Tina tells Karan she feels dizzy. Karan tells her they will leave after signing the deal. He takes her inside and introduces her to investors. Tina feels uncomfortable with their behavior. She tells Karan she is going to the washroom and goes inside. She cries. Karan asks her to come out and threatens to break down the door. Tina washes her face and comes out. She tells Karan he should have told her about this deal earlier. She says there are three men, so she takes three forms. Three Tinas appear. Karan and the investors are shocked. All three Tinas transform into Apara, Bharani, and Pratham. The real Tina comes out of the washroom and slaps Karan. She remembers seeing Apara in the washroom and hugging her.Bharani and Pratham attack the investors. The investor apologizes. Apara tells them they will be eliminated today and removes them from the scene. Karan runs away. Apara attacks him. Karan apologizes to Tina and asks her to save him, saying only she can save him. He promises to keep Tina happy. Apara asks for Tina's opinion. Tina asks Apara to eliminate Karan. Apara says she hasn't forgotten what Karan did to her family. She removes him from the scene. Tina hugs Apara. Apara says her revenge is not yet complete.After some time, Suri's family asks Tina where Karan is. Pinky asks if Tina is okay. Karan arrives and says he went to the medical shop. Pinky tells them they scared everyone. Karan says Apara rescued them. Tina asks Apara to stay there for the night. Radhika tells Apara it's already late, so she should stay. Apara says she doesn't have clothes to change into. Radhika says she will give her some. Apara agrees to stay since they are pushing her.Later, Tina tells Apara she will support her. Apara says they should be careful because Radhika is definitely planning something. Parmeet asks Baljeet how Radhika became their new boss. Radhika arrives. Parmeet calls her the new leader. Apara, dressed as Radhika, thinks she knew Radhika was their leader. She asks them about the plan. Parmeet says they should destroy India. Apara slaps him. She notices Radhika is coming and vanishes. Radhika arrives, and Parmeet talks about the plan. Radhika slaps him for talking about it in the house. She smells snakes and leaves. She sees Apara and asks where she is going. Apara tells Radhika that this house looks familiar. Radhika takes her to the guest room. Apara asks for a nightdress. Radhika says she forgot the key. Apara suggests they play a word game first.Apara says, "house"; Radhika says, "loneliness." Apara says, "love"; Radhika says, "Maa." Apara says "secret." Radhika thinks about her secret. Aryaman comes and asks Radhika about his tie. Apara tells him it must be in his cupboard. She says Aditya also keeps ties inside the cupboard. Aryaman tells them he got information about the Jungistani attack from his source. Radhika says she doesn't think any attack will happen. Apara says whoever does anything against India should be punished. Aryaman leaves. Radhika tells Apara to sleep and goes. Apara thinks Radhika will change her plan.Radhika tells Purav they need to change the plan. She tells her men to leave. She transforms into a dragon and attacks Adarsh's source person. She leaves. Apara takes the unconscious source person with her.Adarsh tells Aryaman that his source person is waiting. They reach the location and notice the person is missing. They see dragon footmarks. Aryaman says it is really big. Adarsh talks about dragons. Aryaman refuses to believe that. He says they should find out what animal made the marks.Radhika reaches the house and sees that Parmeet and Baljeet are drunk. She decides to take Karan's help. She knocks on Karan's door, but there's no response. She sees Arjun and convinces him to do her job. She gives him a parcel and says she will send him the address. Arjun leaves the house with the parcel. Apara sees this. After some time, Radhika hears Arjun screaming "snake" while talking to him. She thinks Bharani is following Arjun.