The woman poured kerosene and set herself on fire at her residence in Mehrajpora locality last night, a police spokesman said.
She was rushed to SMHS hospital where she succumbed to injuries, the spokesman said adding that cause behind the incident is yet to be ascertained.
A case has been registered into the case and further investigations are on, he said.
Meanwhile, body of a woman was recovered by police from a paddy field in Kupwara district of north Kashmir in the wee hours of today.
The woman was found dead in the paddy fields near her rsidence at Wani-Darsoo village of Sogam, 120 kilometres from here, he said.
Investigations are on to ascertain cause of her death.