Mansa and her daughter died of burns in Bammavan village under Kerakat police station area last night when they were alone in the house, IG Law & Order, Amrendra Sengar said.
Relatives of the woman including her parents, terming the death as murder, have lodged a case against her husband Pawan and mother-in-law Santosh, Sengar said.
While the husband has been arrested, efforts were on to nab Santosh, Sengar said.