Oberoi mansion:

Nisha: So Sir, may i know why you chose me?

She was talking to Shivay.

Shivay: because you remind me of my Anya.

Nisha: Anya?

The name 'Anya' echoed in her head and she gets a dark shadow of someone calling her 'Anya'.

Shivay: Actually her full name was Shivanya. She died five years ago due to my ex wife.

'Shivanya' echoed continuely in Nisha's head, she cluthes it and screams in pain. All hears this and goes up to her.

Rikara: arre Nisha, what happened?

Nisha: I don't know.

Rikara: Don't worry Nisha, I think that we should check you with a doctor.

Shivay: good idea. And Nisha, call me dad.

Nisha: fine, dad.

so guys, how did Nisha made her entry in O.M?

What has happened to Nisha exactly?

Why does she keep getting really bad headaches?

And voice echos?

Find out in the upcoming chappies.