The girl, Alisha, aged around ten years, had arrived here from Pakistan on March 23.
She had earlier complained of shortness of breath and dizziness following which she was admitted to J K Loan hospital, where she died yesterday, police said.
Pakistan High Commission in New Delhi was informed about her death and the postmortem of the girl was conducted by a medical board today, police said.
The body was handed over to the girl's family members, Investigating Officer Ganpat Lal said.