Rashi's husband P Chaitanya shifted her to a hospital at around 3 am, but the hospital authorities declared her brought dead, police said.
Rashi, a physically challenged person studying fourth year MBBS, had last year married Chaitanya, who is doing a PG medical course.
Rashi's family had given Rs 15 lakh cash and 25 tola (250 grams) gold as dowry to the groom, police said based on a complaint lodged by the victim's mother.
Though, no injuries were found on her body, some marks were seen on her neck, the police officer said, adding they had registered a case of dowry death following the complaint.