Here is the family tree so that you guys don't get confused later on.
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Aanchal and Mishkat:
1. Reyansh Aggarwal (29 years)

Devesh and Bhavna:
1. Aditya Singhania (25 years)
2. Arohi Singhania (22 years)

Vaibhav and Rashi:
1. Viraj Singhania (21 years)
2. Samaira Singhania (18 years)

Sahil and Pranati
1. Vihaan Singhania (20 years)
2. Nyra Singhania (17 years)

Adarsh and Sakshi:
1. Kiaan Singhania (19 years)
2. Ayansh Singhania (16 years)

Dhriti and Utkarsh:
1. Aadrik Sharma (14 years)
2. Anay Sharma (11 years)

Tanvi and Abeer:
1. Ivaan Shekhawat (14 years)
2. Ditya Shekhawat (11 years)

Advik and Chhaya:
1. Arnav Malhotra (25 years)
2. Ahana Malhotra (25 years)
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I hope it is much easier now.😊
Anymore characters would be introduced later on.

These ages are with reference to the first story.

Laters!!😘❤️