In Karan's car
Karan is thinking
Ye Aditya mujhe bilkul pasand nahi hai kitna chipakta rehta hai Preeta se
hamesha uske aaju baju rehta hai aaj bhi dono kaise Dance kar rahe the chalo dance to thik hai usne preeta ke haath ko kiss kiya aur madam smile kar rahi thi kuch bola bhi nahi agar Maine galti se kiss kar diya To bolegi ki mai Flirt hu ek minute mai itna jealous kyu ho raha hu kahi mai Preeta se pya... nahi nahi wo to meri Best friend phir mai jealous kyu ho raha hu shayad mai Preeta se pyaar karta hu yess I LOVE MY BABYDOLL
He was recalling his and Preeta's moments when a truck was approaching to him he saw the truck and took turn and was saved but his car hit a tree and he fall unconscious
In Arrora house
All were sitting and talking when Rishab received a call he was shocked phone fell from his hand Sameer picked up the call
Sameer: Hello.. What.. Konse hospital Mai OK hum pahuchte hai
Tanisha: Kya hua Sameer
Sameer: Karan bhai ka accident ho gaya hai unhe city hospital mai admit Kiya hai (all were shocked) they rushed to the hospital
In hospital
Dr: inki haalat critical hai inke family members ko phone kiya
Nurse: yes doctor wo log aate honge 
They reached the hospital they went to the doctor
Preeta: doctor Karan kaisa
Dr: mam abhi kuch keh nahi sakte
Preeta: kya mai unse mil sakti hu
Dr: ha lekin aap mai se koi ek hi jaa sakta hai
Preeta: mai jaati hu
She went inside Karan's ward she saw Karan laying on the bed she went near him
Preeta: Karan,karan utho na tum esa kyu kar rahe ho mujhe pata hai tum mujhe pareshan kar rahe ho bajarbattu, looser luthra, akdu ,flirt no one dekho maine tumhe chidhaya tum utho mujhe dato (she took his hand leaned on it) karan please utho na mujhe tang mat Karo ( tears welled up in her eyes one of which felled on his hand he shook his finger a bit which Preeta noticed she immediately called the doctor)
Preeta: doctor karan ne apni fingers hilayi
Dr: aap please bahar jaiye mujhe check karne dijiye
Preeta went out and told to other siblings who were waiting outside doctor came outside
(Note: Luthra elders don't know about it )
Preeta: dr kaisa hai Karan
Dr: he's all right thodi der mai hosh aa  jayega
Rishab: thank you so much Dr
Preeta : mai abhi aayi(she went somewhere followed by Aditya)
Precap : nahi bataungi 😂😂😂😂
So any guesses where did she go and why Adi followed her