What is Salman doing here?

In the previous chapter, we read that Kashif got a kid and he rushed him to the hospital. After a while, the doctor came by and blah blah blah but before the doctor left Kamran said:

Kashif: Yes sir! But before you leave can you give me a favor?

Doctor: I would be happy to

Kashif: I am feeling awkward but do you have a charger for a normal Android phone and can you guide me to the socket

Doctor: Sure! Come with me

Then Doctor fulfilled Kashif's demand. Kashif thanked the doctor when he walked out. Kashif attached the charger to the phone and then to the socket. After waiting for a while, the phone was turned on, and Kashif checked the phone he saw there were several missed calls and messages from Sana. Then he noticed someone on reception. Asking:

Anonymous person: Is there any kid in the hospital who is ten years old...

As he explained the kid's figure. He figured that it was the same as the kid he brought to the hospital. Then receptionist guided him to the room. He quickly walked towards the room to check if it was him. He noticed the doctor going from the corridor. He stopped and give the details after confirming everything. The doctor walked towards Kashif along with the person, he said:

Doctor: Mr. Salman this man standing here has brought your brother to the hospital and because of him your brother is fine, you should thank him...

Shocks covered the room

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