Yogita Nalavade (21) is alleged to have yesterday poured kerosene on her mother-in-law Mudrika Nalavade and set her on fire over some argument, said Assistant Police Inspector Arun M Kshirsagar of Narpoli police station.
The victim suffered 85-90 per cent burns and succumbed to her injuries this morning while undergoing treatment at a hospital, he said.
A case has been registered under Section 302 (murder) of IPC, he said, adding that further inquiries are on into the matter.